Most people shift their sleeping position 20 to 30 times every night.
From “What’s the best position to sleep in? - Rachel Marie E. Salas” — TED-Ed
see it said at 4:17Surprising facts — each proven at the exact second of its video
Most people shift their sleeping position 20 to 30 times every night.
From “What’s the best position to sleep in? - Rachel Marie E. Salas” — TED-Ed
see it said at 4:17