Another phrase for time to sleep is bedtime. Night Night, Sleepytime, Dreamtime are all different ways to say Time To Sleep.
Chronic Sleep Deprivation. This is a medical condition.
somnambulism
Inaction??
incommunicado
Awaken? cmf3225
Chronic Sleep Deprivation. This is a medical condition.
sleep
be without
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.
A word beginning with R for sleep is rest.
sleep place
somnambulism
Inaction??
Lack, want,
lack dearth
incommunicado
lethargic