Adamantidis, A., and de Lecea, L. (2008). Physiological arousal: a role for hypothalamic systems. Cell. Mol. Life Sci. 65, 1475-1488. doi: 10.1007/s00018-008- 7521-8
Allebrandt, K. V., Amin, N., Müller-Myhsok, B., Esko, T., Teder-Laving, M., Azevedo, R. V., et al. (2013). A K(ATP) channel gene effect on sleep duration: from genome-wide association studies to function in Drosophila. Mol. Psychiatry 18, 122-132. doi: 10.1038/mp.2011.142
Altimus, C. M., Güler, A. D., Villa, K. L., Mcneill, D. S., Legates, T. A., and Hattar, S. (2008). Rods-cones and melanopsin detect light and dark to modulate sleep independent of image formation. Proc. Natl. Acad. Sci. USA 105, 19998-20003. doi: 10.1073/pnas.0808312105
Archer, S. N., Robilliard, D. L., Skene, D. J., Smits, M., Williams, A., Arendt, J., et al. (2003). A length polymorphism in the circadian clock gene Per3 is linked to delayed sleep phase syndrome and extreme diurnal preference. Sleep 26, 413-415.
Archer, S. N., Viola, A. U., Kyriakopoulou, V., von Schantz, M., and Dijk, D. J. Inter-individual differences in habitual sleep timing and entrained phase of endogenous circadian rhythms of BMAL1, PER2 and PER3 mRNA in human leukocytes. Sleep 31, 608-617.
Aston-Jones, G. (2005). Brain structures and receptors involved in alertness. Sleep Med. 6(Suppl. 1), S3-S7. doi: 10.1016/s1389-9457(05)80002-4
Baehr, E. K., Revelle, W., and Eastman, C. I. (2000). Individual differences in the phase and amplitude of the human circadian temperature rhythm: with an emphasis on morningness-eveningness. J. Sleep Res. 9, 117-127. doi: 10.1046/j. 1365-2869.2000.00196.x
Bailes, H. J., and Lucas, R. J. (2013). Human melanopsin forms a pigment maximally sensitive to blue light (lambdamax approximately 479 nm) supporting activation of G(q/11) and G(i/o) signalling cascades. Proc. Biol. Sci. 280:20122987. doi: 10.1098/rspb.2012.2987
Bailey, S. L., and Heitkemper, M. M. (2001). Circadian rhythmicity of cortisol and body temperature: morningness-eveningness effects. Chronobiol. Int. 18, 249261. doi: 10.1081/cbi-100103189
Basheer, R., Strecker, R. E., Thakkar, M. M., and Mccarley, R. W. (2004). Adenosine and sleep-wake regulation. Prog. Neurobiol. 73, 379-396. doi: 10.1016/j. pneurobio.2004.06.004
Berson, D. M., Dunn, F. A., and Takao, M. (2002). Phototransduction by retinal ganglion cells that set the circadian clock. Science 295, 1070-1073. doi: 10. 1126/science.1067262
Borbely, A. A. (1982). A two process model of sleep regulation. Hum. Neurobiol. 1, 195-204.
Brown, T. M., Tsujimura, S., Allen, A. E., Wynne, J., Bedford, R., Vickery, G., et al. Melanopsin-based brightness discrimination in mice and humans. Curr. Biol. 22, 1134-1141. doi: 10.1016/j.cub.2012.04.039
Bushey, D., Tononi, G., and Cirelli, C. (2011). Sleep and synaptic homeostasis: structuralevidence in Drosophila. Science 332, 1576-1581. doi: 10.1126/science. 1202839
Buysse, D. J., Nofzinger, E. A., Germain, A., Meltzer, C. C., Wood, A., Ombao, H., et al. (2004). Regional brain glucose metabolism during morning and evening wakefulness in humans: preliminary findings. Sleep 27, 1245-1254.
Cajochen, C., Brunner, D. P., Kräuchi, K., Graw, P., and Wirz-Justice, A. (2000). EEG and subjective sleepiness during extended wakefulness in seasonal affective disorder: circadian and homeostatic influences. Biol. Psychiatry 47, 610-617. doi: 10.1016/s0006-3223(99)00242-5
Cajochen, C., Chellappa, S., and Schmidt, C. (2010). What keeps us awake? The role of clocks and hourglasses, light and melatonin. Int. Rev. Neurobiol. 93, 5790. doi: 10.1016/s0074-7742(10)93003-1
Cajochen, C., Dijk, D. J., and Borbely, A. A. (1992). Dynamics of EEG slow-wave activity and core body temperature in human sleep after exposure to bright light. Sleep 15, 337-343.
Cajochen, C., Foy, R., and Dijk, D. J. (1999a). Frontal predominance of a relative increase in sleep delta and theta EEG activity after sleep loss in humans. Sleep Res. Online 2, 65-69.
Cajochen, C., Khalsa, S. B., Wyatt, J. K., Czeisler, C. A., and Dijk, D. J. (1999b). EEG and ocular correlates of circadian melatonin phase and human performance decrements during sleep loss. Am. J. Physiol. 277, R640-R649.
Cajochen, C., Munch, M., Kobialka, S., Krauchi, K., Steiner, R., Oelhafen, P., et al. (2005). High sensitivity of human melatonin, alertness, thermoregulation and heart rate to short wavelength light. J. Clin. Endocrinol. Metab. 90, 1311-1316. doi: 10.1210/jc.2004-0957
Cajochen, C., Wyatt, J. K., Czeisler, C. A., and Dijk, D. J. (2002). Separation of circadian and wake duration-dependent modulation of EEG activation during wakefulness. Neuroscience 114, 1047-1060. doi: 10.1016/s0306-4522(02) 00209-9
Carrier, J., Paquet, J., Fernandez-Bolanos, M., Girouard, L., Roy, J., Selmaoui, B., et al. (2009). Effects of caffeine on daytime recovery sleep: a double challenge to the sleep-wake cycle in aging. Sleep Med. 10, 1016-1024. doi: 10.1016/j.sleep. 2009.01.001
Chee, M. W., and Chuah, L. Y. (2008). Functional neuroimaging insights into how sleep and sleep deprivation affect memory and cognition. Curr. Opin. Neurol. 21, 417-423. doi: 10.1097/WC0.0b013e3283052cf7
Chellappa, S. L., Ly, J. Q., Meyer, C., Balteau, E., Degueldre, C., Luxen, A., et al. (2014). Photic memory for executive brain responses. Proc. Natl. Acad. Sci. U S A 111, 6087-6091. doi: 10.1073/pnas.1320005111
Chellappa, S. L., Steiner, R., Blattner, P., Oelhafen, P., Gotz, T., and Cajochen, (2011). Non-visual effects of light on melatonin, alertness and cognitive performance: can blue-enriched light keep us alert? PLoS One 6:e16429. doi: 10. 1371/journal.pone.0016429
Chellappa, S. L., Steiner, R., Oelhafen, P., Lang, D., Gotz, T., Krebs, J., et al. (2013). Acute exposure to evening blue-enriched light impacts on human sleep. J. Sleep Res. 22, 573-580. doi: 10.1111/jsr.12050
Chellappa, S. L., Viola, A. U., Schmidt, C., Bachmann, V., Gabel, V., Maire, M., et al. (2012) Human melatonin and alerting response to blue-enriched light depend onapolymorphism in the clock gene PER3. J. Clin. Endocrinol. Metab. 97, E433- E437. doi: 10.1210/jc.2011-2391
Cohen, J. D., Perlstein, W. M., Braver, T. S., Nystrom, L. E., Noll, D. C., Jonides, J., et al. (1997). Temporal dynamics ofbrain activation duringaworking memory task. Nature 386, 604-608. doi: 10.1038/386604a0
Cohen, D. A., Wang, W., Wyatt, J. K., Kronauer, R. E., Dijk, D. J., Czeisler, C. A., et al. (2010). Uncovering residual effects ofchronicsleep loss on human performance. Sci. Transl. Med. 2:14ra13. doi: 10.1126/scitranslmed.3000458
Collette, F., Hogge, M., Salmon, E., and Van der Linden, M. (2006). Exploration of the neural substrates of executive functioning by functional neuroimaging. Neuroscience 139, 209-221. doi: 10.1016/j.neuroscience.2005.05.035
Collette, F., Van der Linden, M., Laureys, S., Delfiore, G., Degueldre, C., Luxen, A., et al. (2005). Exploring the unity and diversity of the neural substrates of executive functioning. Hum. Brain Mapp. 25, 409-423. doi: 10.1002/hbm. 20118
Coull, J. T., Jones, M. E., Egan, T. D., Frith, C. D., and Maze, M. (2004). Attentional effects of noradrenaline vary with arousal level: selective activation of thalamic pulvinar in humans. Neuroimage 22, 315-322. doi: 10.1016/j.neuroimage.2003. 12.022
Czeisler, C. A., and Gooley, J. J. (2007). Sleep and circadian rhythms in humans. Cold Spring Harb. Symp. Quant. Biol. 72, 579-597. doi: 10.1101/sqb.2007. 72.064
Czeisler, C. A., Duffy, J. F., Shanahan, T. L., Brown, E. N., Mitchell, J. F., Rimmer, D. W., et al. (1999). Stability, precision and near-24-hour period of the human circadian pacemaker. Science 284, 2177-2181. doi: 10.1126/science.284.5423. 2177
Daan, S., Beersma, D. G., and Borbely, A. A. (1984). Timing of human sleep: recovery process gated by a circadian pacemaker. Am. J. Physiol. 246, R161- R183.
Dacey, D. M., Liao, H. W., Peterson, B. B., Robinson, F. R., Smith, V. C., Pokorny, J., et al. (2005). Melanopsin-expressing ganglion cells in primate retina signal colour and irradiance and project to the LGN. Nature 433, 749-754. doi: 10. 1038/nature03387
Daneault, V., Hebert, M., Albouy, G., Doyon, J., Dumont, M., Carrier, J., et al. (2014). Aging reduces the stimulating effect of blue light on cognitive brain functions. Sleep 37, 85-96. doi: 10.5665/sleep.3314
Daneault, V., Vandewalle, G., Najjar, R. P., Mongrain, V., Dumont, M., Hebert, M., et al. (2013). Age-related changes in circadian rhythms during adulthood, in Encyclopedia ofSleep, ed C. Kushida (Waltham, MA: Academic Press), 113-117.
Dash, M. B., Douglas, C. L., Vyazovskiy, V. V., Cirelli, C., and Tononi, G. Long-term homeostasis of extracellular glutamate in the rat cerebral cortex across sleep and waking states. J. Neurosci. 29, 620-629. doi: 10. 1523/JNEUROSCI.5486-08.2009
Deboer, T., Detari, L., and Meijer, J. H. (2007). Long term effects of sleep deprivation on the mammalian circadian pacemaker. Sleep 30, 257-262.
Deboer, T., Vansteensel, M. J., Detari, L., and Meijer, J. H. (2003). Sleep states alter activity of suprachiasmatic nucleus neurons. Nat. Neurosci. 6, 1086-1090. doi: 10.1038/nn1122
Dijk, D. J., and Archer, S. N. (2010). PERIOD3, circadian phenotypes and sleep homeostasis. Sleep Med. Rev. 14, 151-160. doi: 10.1016/j.smrv.2009.07.002
Dijk, D. J., Beersma, D. G., and Daan, S. (1987). EEG power density during nap sleep: reflection of an hourglass measuring the duration of prior wakefulness. J. Biol. Rhythms 2, 207-219. doi: 10.1177/074873048700200304
Dijk, D. J., and Czeisler, C. A. (1994). Paradoxical timing of the circadian rhythm of sleep propensity serves to consolidate sleep and wakefulness in humans. Neurosci. Lett. 166, 63-68. doi: 10.1016/0304-3940(94)90841-9
Dijk, D. J., and Czeisler, C. A. (1995). Contribution of the circadian pacemaker and the sleep homeostat to sleep propensity, sleep structure, electroencephalo- graphic slow waves and sleep spindle activity in humans. J. Neurosci. 15, 35263538.
Dijk, D. J., Duffy, J. F., and Czeisler, C. A. (1992). Circadian and sleep/wake dependent aspects of subjective alertness and cognitive performance. J. Sleep Res. 1, 112-117. doi: 10.1111/j.1365-2869.1992.tb00021.x
Dijk, D. J., Shanahan, T. L., Duffy, J. F., Ronda, J. M., and Czeisler, C. A. (1997). Variation of electroencephalographic activity during non-rapid eye movement and rapid eye movement sleep with phase of circadian melatonin rhythm in humans. J. Physiol. 505(Pt. 3), 851-858. doi: 10.1111/j.1469-7793.1997.851ba.x
Dinges, D. F., and Powell, J. W. (1985). Microcomputer analyses of performance on a portable, simple visual RT task during sustained operations. Behav. Res. Methods Instrum. Comput. 17, 625-655. doi: 10.3758/bf03200977
Duffy, J. F., Dijk, D. J., Hall, E. F., and Czeisler, C. A. (1999). Relationship of endogenous circadian melatonin and temperature rhythms to self-reported preference for morning or evening activity in young and older people. J. Investig. Med. 47, 141-150.
Duffy, J. F., Rimmer, D. W., and Czeisler, C. A. (2001). Association of intrinsic circadian period with morningness-eveningness, usual wake time and circadian phase. Behav. Neurosci. 115, 895-899. doi: 10.1037//0735-7044.115.4.895
Ecker, J. L., Dumitrescu, O. N., Wong, K. Y., Alam, N. M., Chen, S. K., LeGates, T., et al. (2010). Melanopsin-expressing retinal ganglion-cell photoreceptors: cellular diversity and role in pattern vision. Neuron 67, 49-60. doi: 10.1016/j. neuron.2010.05.023
Franken, P., and Dijk, D. J. (2009). Circadian clock genes and sleep homeostasis. Eur. J. Neurosci. 29, 1820-1829. doi: 10.1111/j.1460-9568.2009. 06723.x
Frey, D. J., Badia, P., and Wright, K. P. Jr. (2004). Inter- and intra-individual variability in performance near the circadian nadir during sleep deprivation. J. Sleep Res. 13, 305-315. doi: 10.1111/j.1365-2869.2004.00429.x
Goel, N., Banks, S., Mignot, E., and Dinges, D. F. (2009). PER3 polymorphism predicts cumulative sleep homeostatic but not neurobehavioral changes to chronic partial sleep deprivation. PLoS One 4:e5874. doi: 10.1371/journal.pone. 0005874
Goel, N., and Dinges, D. F. (2011). Behavioral and genetic markers of sleepiness. J. Clin. Sleep Med. 7, S19-S21. doi: 10.5664/JCSM.1348
Groeger, J. A., Viola, A. U., Lo, J. C., von Schantz, M., Archer, S. N., and Dijk, J. (2008). Early morning executive functioning during sleep deprivation is compromised byaPERIOD3 polymorphism. Sleep 31, 1159-1167.
Guler, A. D., Ecker, J. L., Lall, G. S., Haq, S., Altimus, C. M., Liao, H. W., et al. Melanopsin cells are the principal conduits for rod-cone input to nonimage-forming vision. Nature 453, 102-105. doi: 10.1038/nature06829
Hatori, M., and Panda, S. (2010). The emerging roles of melanopsin in behavioral adaptation to light. Trends Mol. Med. 16, 435-446. doi: 10.1016/j.molmed.2010. 07.005
Hattar, S., Kumar, M., Park, A., Tong, P., Tung, J., Yau, K. W., et al. (2006). Central projections of melanopsin-expressing retinal ganglion cells in the mouse. J. Comp. Neurol. 497, 326-349. doi: 10.1002/cne.20970
Hedden, T., and Gabrieli, J. D. (2004). Insights into the ageing mind: a view from cognitive neuroscience. Nat. Rev. Neurosci. 5, 87-96. doi: 10.1038/nrn1323
Huber, R., Ghilardi, M. F., Massimini, M., and Tononi, G. (2004). Local sleep and learning. Nature 430, 78-81. doi: 10.1038/nature02663
Hung, C. S., Sarasso, S., Ferrarelli, F., Riedner, B., Ghilardi, M. F., Cirelli, C., et al. (2013) Local experience-dependent changes in the wake EEG after prolonged wakefulness. Sleep 36, 59-72. doi: 10.5665/sleep.2302
Kattler, H., Dijk, D. J., and Borbely, A. A. (1994). Effect of unilateral somatosensory stimulation prior to sleep on the sleep EEG in humans. J. Sleep Res. 3, 159-164. doi: 10.1111/j.1365-2869.1994.tb00123.x
Kerkhof, G. A., and Van Dongen, H. P. (1996). Morning-type and evening-type individuals differ in the phase position of their endogenous circadian oscillator. Neurosci. Lett. 218, 153-156. doi: 10.1016/s0304-3940(96)13140-2
Klerman, E. B., and Dijk, D. J. (2008). Age-related reduction in the maximal capacity for sleep-implications for insomnia. Curr. Biol. 18, 1118-1123. doi: 10. 1016/j.cub.2008.06.047
Koechlin, E., Ody, C., and Kouneiher, F. (2003). The architecture of cognitive control in the human prefrontal cortex. Science 302, 1181-1185. doi: 10. 1126/science.1088545
Krueger, J. M. (2008). The role of cytokines in sleep regulation. Curr. Pharm. Des. 14, 3408-3416. doi: 10.2174/138161208786549281
Landolt, H. P. (2011). Genetic determination of sleep EEG profiles in healthy humans. Prog. Brain Res. 193, 51-61. doi: 10.1016/B978-0-444-53839-0.00004-1
Lâzâr, A. S., Slak, A., Lo, J. C., Santhi, N., Von Schantz, M., Archer, S. N., et al. (2012). Sleep, diurnal preference, health and psychological well-being: a prospective single-allelic-variation study. Chronobiol. Int. 29, 131-146. doi: 10. 3109/07420528.2011.641193
Lim, J., and Dinges, D. F. (2008). Sleep deprivation and vigilant attention. Ann. NY Acad. Sci. 1129, 305-322. doi: 10.1196/annals.1417.002
Liu, X., Uchiyama, M., Shibui, K., Kim, K., Kudo, Y., Tagaya, H., et al. (2000). Diurnal preference, sleep habits, circadian sleep propensity and melatonin rhythm in healthy human subjects. Neurosci. Lett. 280, 199-202. doi: 10.1016/s0304- 3940(00)00793-x
Lo, J. C., Groeger, J. A., Santhi, N., Arbon, E. L., Lazar, A. S., Hasan, S., et al.(2012) Effects of partial and acute total sleep deprivation on performance across cognitive domains, individuals and circadian phase. PLoS One 7:e45987. doi: 10. 1371/journal.pone.0045987
Lockley, S. W., Evans, E. E., Scheer, F. A., Brainard, G. C., Czeisler, C. A., and Aeschbach, D. (2006). Short-wavelength sensitivity for the direct effects of light on alertness, vigilance and the waking electroencephalogram in humans. Sleep 29, 161-168.
Maire, M., Reichert, C. F., Gabel, V., Viola, A. U., Krebs, J., Strobel, W., et al. (2014a). Time-on-task decrement in vigilance is modulated by inter-individual vulnerability to homeostatic sleep pressure manipulation. Front. Behav. Neurosci. 8:59. doi: 10.3389/fnbeh.2014.00059
Maire, M., Reichert, C. F., Gabel, V., Viola, A. U., Strobel, W., Krebs, J., et al. (2014b). Sleep ability mediates individual differences in the vulnerability to sleep loss: evidence from a PER3 polymorphism. Cortex 52, 47-59. doi: 10.1016/j. cortex.2013.11.008
Mongrain, V., Carrier, J., and Dumont, M. (2006a). Circadian and homeostatic sleep regulation in morningness-eveningness. J. Sleep Res. 15, 162-166. doi: 10. 1111/j.1365-2869.2006.00532.x
Mongrain, V., Carrier, J., and Dumont, M. (2006b). Difference in sleep regulation between morning and evening circadian types as indexed by antero-posterior analyses of the sleep EEG. Eur. J. Neurosci. 23, 497-504. doi: 10.1111/j.1460- 9568.2005.04561.x
Mongrain, V., and Dumont, M. (2007). Increased homeostatic response to behavioral sleep fragmentation in morning types compared to evening types. Sleep 30, 773-780.
Mongrain, V., Lavoie, S., Selmaoui, B., Paquet, J., and Dumont, M. (2004). Phase relationships between sleep-wake cycle and underlying circadian rhythms in morningness-eveningness. J. Biol. Rhythms 19, 248-257. doi: 10. 1177/0748730404264365
Moore, R. Y. (2007). Suprachiasmatic nucleus in sleep-wake regulation. Sleep Med. 8(Suppl. 3), 27-33. doi: 10.1016/j.sleep.2007.10.003
Perrin, F., Peigneux, P., Fuchs, S., Verhaeghe, S., Laureys, S., Middleton, B., et al. (2004). Nonvisual responses to light exposure in the human brain during the circadian night. Curr. Biol. 14, 1842-1846. doi: 10.1016/j.cub.2004. 09.082
Portas, C. M., Rees, G., Howseman, A. M., Josephs, O., Turner, R., and Frith, C. D. (1998). A specific role for the thalamus in mediating the interaction of attention and arousal in humans. J. Neurosci. 18, 8979-8989.
Rahman, S. A., Flynn-Evans, E. E., Aeschbach, D., Brainard, G. C., Czeisler, C. A., and Lockley, S. W. (2014). Diurnal spectral sensitivity of the acute alerting effects of light. Sleep 37, 271-281. doi: 10.5665/sleep.3396
Raz, A., and Buhle, J. (2006). Typologies of attentional networks. Nat. Rev. Neurosci. 7, 367-379. doi: 10.1038/nrn1903
Ruby, N. F., Brennan, T. J., Xie, X., Cao, V., Franken, P., Heller, H. C., et al. (2002). Role of melanopsin in circadian responses to light. Science 298, 2211-2213. doi: 10.1126/science.1076701
Saalmann, Y. B., Pinsk, M. A., Wang, L., Li, X., and Kastner, S. (2012). The pulvinar regulates information transmission between cortical areas based on attention demands. Science 337, 753-756. doi: 10.1126/science.1223082
Santhi, N., Groeger, J. A., Archer, S. N., Gimenez, M., Schlangen, L. J., and Dijk, D. J. (2012) Morning sleep inertia in alertness and performance: effect of cognitive domain and white light conditions. PLoS One 8:e79688. doi: 10.1371/journal. pone.0079688
Schmidt, T. M., Chen, S. K., and Hattar, S. (2011). Intrinsically photosensitive retinal ganglion cells: many subtypes, diverse functions. Trends Neurosci. 34, 572-580. doi: 10.1016/j.tins.2011.07.001
Schmidt, C., Collette, F., Leclercq, Y., Sterpenich, V., Vandewalle, G., Berthomier, P., et al. (2009). Homeostatic sleep pressure and responses to sustained attention in the suprachiasmatic area. Science 324, 516-519. doi: 10.1126/science.11 67337
Schmidt, C., Maquet, P., and Phillips, C. (2010). Responses to comment on "Homeostatic sleep pressure and responses to sustained attention in the Suprachias- matic area". Science 328:309. doi: 10.1126/science.1177949
Schmidt, C., Peigneux, P., Leclercq, Y., Sterpenich, V., Vandewalle, G., Phillips, C., et al. (2012). Circadian preference modulates the neural substrate of conflict processing across the day. PLoS One 7:e29658. doi: 10.1371/journal.pone. 0029658
Shannon, B. J., Dosenbach, R. A., Su, Y., Vlassenko, A. G., Larson-Prior, L. J., Nolan, T. S., et al. (2013). Morning-evening variation in human brain metabolism and memory circuits. J. Neurophysiol. 109, 1444-1456. doi: 10.1152/jn.00651. 2012
Strogatz, S. H., Kronauer, R. E., and Czeisler, C. A. (1987). Circadian pacemaker interferes with sleep onset at specific times each day: role in insomnia. Am. J. Physiol. 253, R172-R178. doi: 10.1037/10166-006
Stroop, J. R. (1935). Studies ofinterference in serial verbal reactions. J. Exp. Psychol. 18, 643-662. doi: 10.1037/h0054651
Taillard, J., Philip, P., Coste, O., Sagaspe, P., and Bioulac, B. (2003). The circadian and homeostatic modulation of sleep pressure during wakefulness differs between morning and evening chronotypes. J. Sleep Res. 12, 275-282. doi: 10. 1046/j.0962-1105.2003.00369.x
Tsai, J. W., Hannibal, J., Hagiwara, G., Colas, D., Ruppert, E., Ruby, N. F., et al. (2008) Melanopsin as a sleep modulator: circadian gating of the direct effects of light on sleep and altered sleep homeostasis in Opn4(-/-) mice. PLoS Biol. 7:e1000125. doi: 10.1371/journal.pbio.1000125
Valomon, A., Holst, S. C., Bachmann, V., Viola, A. U., Schmidt, C., Zurcher, J., et al. (2012) Genetic polymorphisms of DAT1 and COMT differentially associate with actigraphy-derived sleep-wake cycles in young adults. Chronobiol. Int. 31, 705-714. doi: 10.3109/07420528.2014.896376
Van Dongen, H. P., Baynard, M. D., Maislin, G., and Dinges, D. F. (2004). Systematic interindividual differences in neurobehavioral impairment from sleep loss: evidence of trait-like differential vulnerability. Sleep 27, 423-433.
Vandewalle, G., Archer, S. N., Wuillaume, C., Balteau, E., Degueldre, C., Luxen, A., et al. (2011a). Effects of light on cognitive brain responses depend on circadian phase and sleep homeostasis. J. Biol. Rhythms 26, 249-259. doi: 10. 1177/0748730411401736
Vandewalle, G., Archer, S. N., Wuillaume, C., Balteau, E., Degueldre, C., Luxen, A., et al. (2009a). Functional magnetic resonance imaging-assessed brain responses during an executive task depend on interaction of sleep homeostasis, circadian phase and PER3 genotype. J. Neurosci. 29, 7948-7956. doi: 10.1523/jneurosci. 0229-09.2009
Vandewalle, G., Collignon, O., Hull, J. T., Daneault, V., Albouy, G., Lepore, F., et al. (2012) Blue light stimulates cognitive brain activity in visually blind individuals. J. Cogn. Neurosci. 25, 2072-2085. doi: 10.1162/jocn_a_00450
Vandewalle, G., and Dijk, D. J. (2013). "Neuroimaging the effects of light on nonvisual brain functions in Neuroimaging of Sleep and Sleep Disorders, eds E. Nofzinger, P. Maquet and M. Thorpy (Cambridge (UK): Cambridge University Press), 171-178.
Vandewalle, G., Gais, S., Schabus, M., Balteau, E., Carrier, J., Darsaud, A., et al. (2007a). Wavelength-dependent modulation of brain responses to a working memory task by daytime light exposure. Cereb. Cortex 17, 2788-2795. doi: 10. 1093/cercor/bhm007
Vandewalle, G., Hebert, M., Beaulieu, C., Richard, L., Daneault, V., Garon, M. L., et al. (2011b). Abnormal hypothalamic response to light in seasonal affective disorder. Biol. Psychiatry 70, 954-961. doi: 10.1016/j.biopsych.2011.06.022
Vandewalle, G., Maquet, P., and Dijk, D. J. (2009b). Light as a modulator of cognitive brain function. Trends Cogn. Sci. 13, 429-438. doi: 10.1016/j.tics.2009. 07.004
Vandewalle, G., Schmidt, C., Albouy, G., Sterpenich, V., Darsaud, A., Rauchs, G., et al. (2007b). Brain responses to violet, blue and green monochromatic light exposures in humans: prominent role of blue light and the brainstem. PLoS One 2:e1247. doi: 10.1371/journal.pone.0001247
Vandewalle, G., Schwartz, S., Grandjean, D., Wuillaume, C., Balteau, E., Degueldre, C., et al. (2010). Spectral quality of light modulates emotional brain responses in humans. Proc. Natl. Acad. Sci. USA 107, 19549-19554. doi: 10.1073/pnas. 1010180107
Viola, A. U., Archer, S. N., James, L. M., Groeger, J. A., Lo, J. C., Skene, D. J., et al. (2007) PER3 polymorphism predicts sleep structure and waking performance. Curr. Biol. 17, 613-618. doi: 10.1016/j.cub.2007.01.073
Viola, A. U., Chellappa, S. L., Archer, S. N., Pugin, F., Gotz, T., Dijk, D. J., et al. (2012). Interindividual differences in circadian rhythmicity and sleep homeostasis in older people: effect of a PER3 polymorphism. Neurobiol. Aging 33, 1010.e17-1010.e27. doi: 10.1016/j.neurobiolaging.2011.10.024
Vyazovskiy, V. V., Cirelli, C., Pfister-Genskow, M., Faraguna, U., and Tononi, G. Molecular and electrophysiological evidence for net synaptic potentiation in wake and depression in sleep. Nat. Neurosci. 11, 200-208. doi: 10. 1038/nn2035
Wyatt, J. K., Cajochen, C., Ritz-De Cecco, A., Czeisler, C. A., and Dijk, D. J. (2004). Low-dose repeated caffeine administration for circadian-phase-dependent performance degradation during extended wakefulness. Sleep 27, 374-381.
Wyatt, J. K., Ritz-De Cecco, A., Czeisler, C. A., and Dijk, D. J. (1999). Circadian temperature and melatonin rhythms, sleep and neurobehavioral function in humans living on a 20-h day. Am. J. Physiol. 277, R1152-R1163.