undersleep

As a noun terms

is .

As a verb undersleep is

to sleep too little.

Undersleep is a antonym of oversleep.

In intransitive terms the difference between oversleep and undersleep

is that oversleep is to sleep for longer than planned while undersleep is to sleep too little.

In lang=en terms the difference between sleep and undersleep

is that sleep is to be slumbering in (a state) while undersleep is to sleep too little.

As verbs the difference between sleep and undersleep

is that sleep is to rest in a state of reduced consciousness while undersleep is to sleep too little.

As a noun sleep

is (uncountable) the state of reduced consciousness during which a human or animal rests in a daily rhythm.