background The use of sleep as modifiable lifestyle factor is not yet self-evident in psychiatry.
aim To increase knowledge about sleep as health-affecting factor.
method Description of normal sleep, effects of disturbed sleep and lifestyle advice to promote healthy sleep.
results Disturbed sleep negatively impacts physical and mental health. Targeted lifestyle advice can improve sleep and bring about positive effects in multiple areas.
conclusion From preventive and treatment perspectives, interventions optimizing sleep in psychiatric care seem promising.