Upper level: b139  Global mental functions, other specified and unspecified

b134  Sleep functions

General mental functions of periodic, reversible and selective physical and mental disengagement from one's immediate environment accompanied by characteristic physiological changes.

Inclusions: functions of amount of sleeping, and onset, maintenance and quality of sleep; functions involving the sleep cycle, such as in insomnia, hypersomnia and narcolepsy

Exclusions: consciousness functions (b110); energy and drive functions (b130); attention functions (b140); psychomotor functions (b147)

Lower livel:

• b1340  Amount of sleep

• b1341  Onset of sleep

• b1342  Maintenance of sleep

• b1343  Quality of sleep

• b1344  Functions involving the sleep cycle

• b1348  Sleep functions, other specified

• b1349  Sleep functions, unspecified

Go back to the Top.