Introduction
Restful sleep is essential for regeneration and energy balance and plays an important role for mental- and physical health.1–8 Insufficient sleep is manifested by daytime fatigue and reduced performance and can lead to increased…

Restful sleep is essential for regeneration and energy balance and plays an important role for mental- and physical health.1–8 Insufficient sleep is manifested by daytime fatigue and reduced performance and can lead to increased…