Do you have problems with falling asleep or staying asleep? By making a few adjustments to your lifestyle, you can easily improve sleep quality. Believe it or not, even a sip of tea can bring unexpected benefits to you.

If you have trouble sleeping, natural remedies can help.

Vu Ngoc Tam, a young Vietnamese professor working at the Department of Computer Science at the University of Colorado Boulder, USA, has invented a type of wireless smart earphone called Earable, which collects, tracks and analyses brainwave signals, eye and facial muscle movement and a wide range of other biological signals.