Valentina YakovlevaEventsThe optimal duration for daytime sleep is 20–30 minutesRecent coverageRussians allowed to sleep at work during lunch if company does not prohibit — РИАМОDaytime sleep at work: benefits for the brain and legal restrictions in the Russian Federation — Вечерняя МоскваRussia Explains When Employees Can Be Fired for Chat Messages — РИАМО