Working or playing on your laptop or mobile device right before bed can ruin your sleep in non-obvious ways. Yes, the devices can hinder winding down your mind, but that’s not the biggest issue. The main issue is exposure to unnatural light that inhibits the neurochemistry of sleep.
The written content of the post was authored by best-selling author and neuroscience expert, Mark Robert Waldman. It is posted with his permission.
Olympic athletes yawn before they race. Musicians and speakers yawn before they go on stage. Snipers get trained to yawn before they pull the trigger. Pack animals yawn together to establish communal empathy. This is because yawning is the ultimate stress and focus hack.