Sign with text: Sömnförsök pågår<unk>  in progress), room for<unk> es in NÄL hospital, Sweden.A<unk>  is a test that records the activity of the body during sleep. There are five main types of<unk> es that use different methods to test for different sleep characteristics and disorders. These include simple<unk> es, polysomnography, multiple sleep latency tests (MSLTs), maintenance of wakefulness tests (MWTs), and home sleep tests (HSTs). In medicine,<unk> es have been useful in identifying and ruling out various sleep disorders.<unk> es have also been valuable to psychology, in which they have provided insight into brain activity and the other physiological factors of both sleep disorders and normal sleep. This has allowed further research to be done on the relationship between sleep and behavioral and psychological factors.
Sleep study
Somnology
Polysomnography
Sleep diary
Psychiatric assessment
Psychological testing
Clinical neuropsychology
Event-related functional magnetic resonance imaging