What is the definition or description of: sleep diary?

Sleep record: In this you record the sleeping and waking times as well as other variables like alcohol, caffeine, sleep pills, etc for days ...

Sleep Diary: Is a record of one's sleeping & waking times, with related information, over a period of several weeks. Also called sleep log, is a tool for diagnosis & treatment of circadian rhythm sleep disorders , as well as monitoring response to treatment.

Tracking tool: A sleep diary is a way to chart your sleep patterns and related events such as exercise, naps, caffeine, tobacco and alcohol use. The timing of these activities can effect your quality of sleep as well and illustrate the quantity of sleep. Sleep diaries can be helpful tools for treating insomnia, circadian rhythm disturbances and sleep apnea.

Sleep Diary: Record time lights off in bed, time fall asleep, time when wake up, feeling after waking up. Used to detect insomnia, hypersomnia, delayed sleep phase syndrome, advance phase syndrome, irregular sleep schedule etc. Usually done for a week or two. Sometimes actigraphy is added for more accuracy.