He is a sleep camel who rests only on the weekend.
sleep camel
idiomA person who habitually does with little to no sleep during the week and then makes up by sleeping a lot during the weekend.
Origin
disputed originPerhaps an analogy of a person's storing sleep to a camel's storing water.
Because she works long shifts all week, she acts like a sleep camel and stays in bed until Sunday afternoon.
The exhausted student lived like a sleep camel, surviving on caffeine during the week before collapsing into a deep slumber throughout the entire weekend.
- 01
beauty sleep
Originally, sleep taken before midnight, on the belief that early sleep hours conduce to beauty and health; now (chiefly humorous), sleep at any time needed by one to stay beautiful; (countable) an instance of such sleep.
- 02
big sleep
Death.
- 03
camel through the eye of a needle
Hyperbole to illustrate something that is impossible to do or to make happen.
- 04
cry oneself to sleep
To cry until or to fall asleep.
- 05
eat, breathe, and sleep
To devote one's time obsessively to.
- 06
eternal sleep
Death
- 07
fox sleep
Feigned sleep while actually alert.
- 08
go to sleep
To be affected by paresthesia; to go numb.