title: Time estimation during sleep.
mesh_terms: D000328:Adult; D001143:Arousal; D001307:Auditory Perception; D001683:Biological Clocks; D004569:Electroencephalography; D004585:Electrooculography; D004644:Emotions; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009042:Motivation; D011603:Psychophysiology; D012054:Reinforcement, Psychology; D012890:Sleep; D012894:Sleep Stages; D012895:Sleep, REM; D013998:Time Perception