By family practitioner and paediatrician Dr Gita Mathai. Plus, why your teenager needs to stop being a night owl.

How much sleep do we really need?
We actually sleep away one third of our lifetimes. In infancy, a baby may sleep anywhere from 14-17 hours a day. Their sleep requirements are not controlled by outside forces like light, sound or work. So, babies sleep as much as their body needs. As age increases, the number of hours spent in sleep becomes less. 

Here’s how much sleep you need:

Think you know all the reasons? Prepare to be surprised. By family practitioner and marathoner Dr Gita Mathai. Plus, how much to exercise to get its real benefits.

We all want to look good, be slim and healthy. There’s one magic pill for this and it’s called exercise. Even if you’re ‘too tired’ or ‘too busy’, you need to get off that couch now. 

You've heard that using screens before bedtime can mess with your sleep, but new research suggests the problem is even more serious and can make you feel like a zombie the next day. The findings could impact anyone who uses an eReader, laptop, smartphone, or certain TVs before bed.