Another phrase for time to sleep is bedtime. Night Night, Sleepytime, Dreamtime are all different ways to say Time To Sleep.
Sleep deprivation is another word for lack of sleep. Insomnia is a medical condition in which the suffer is not able to get sufficient sleep.
Non-REM stage 3 (N3) 'deep sleep'
Chronic Sleep Deprivation. This is a medical condition.
Another word for "lack of interest" is apathy or indifference. These both basically refer to a person who is uninterested, unresponsive or impassive. Another word to describe this sort of person could also be perfunctory.
incommunicado
Inaction??
somnambulism
Chronic Sleep Deprivation. This is a medical condition.
it's much more likely that the lack of sleep itself is not the cause of the suicidal thoughts, but is another symptom of depression. But, yes, lack of sleep can cause one to feel meh, and possibly simulate depression.
be without
sleep
A word beginning with R for sleep is rest.
Another word for "lack of interest" is apathy or indifference. These both basically refer to a person who is uninterested, unresponsive or impassive. Another word to describe this sort of person could also be perfunctory.
Lack, want,
incommunicado
Inaction??
lack dearth
lethargic
sleep place