Scientific studies on sleep have shown that sleep stage at awakening is an important factor in amplifying sleep inertia. Most alarm clocks will produce repeated loud noise resulting in rude awakening. Recently sleep stage monitoring alarm clocks like dawn simulators have appeared that wake people from light sleep.
SensorWake Alarm: Wake Up To Nice Scents
Scientific studies on sleep have shown that sleep stage at awakening is an important factor in amplifying sleep inertia. Most alarm clocks will produce repeated loud noise …
