Previous research has shown that both childhood behavioral issues and poor mental health are highly associated with sleep disturbances; however, their relationship over time has been poorly studied. A ...

Is it safe to sleep for brief periods several times each day? Medically reviewed by Keri Peterson, MD Fact checked by Zerah Isaacs Individuals who are interested in a polyphasic sleep schedule may ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Sleep is one of the most essential activities for human health, but ...