Rappler's latest stories on sleep studies
Scientists using smartphone app warn of 'global sleep crisis'
The study finds social pressures weaken and or conceal biological drives in the evening leading individuals to delay their bedtime and shorten their sleep

'Small screens' prevent kids from sleeping – US study
The study notes Presence of a small screen but not a TV in the sleep environment and screen time were associated with perceived insufficient rest or sleep

'Portable light-emitting devices' impact health – study
Do you use an electronic device right before bedtime? This one s for you
