We spend almost one-third of our life sleeping. And if you try to combine the hours we sleep in our life time, it?s huge, it?s really huge.
But why do we sleep every day? What makes us feel sleepy every night? And why do we feel good when we wake up from a full night?s sleep?
These questions need answers ? and for centuries, the curious species, we-the-mankind, have been trying to decode sleep.