Doctors still praise the “sleeping position” of the US Navy SEALs, raising the level of napping, using only 10 minutes
Doctors still praise the “sleeping position” of the US Navy SEALs, raising the level of napping, using only 10 minutes, waking up refreshed immediately! Very eye-opening! Doctor teaches 10-minute nap technique from US Navy SEALs, wake up refreshed immediately, people from all countries can follow.