Having trouble sleeping? Grab a tent and go camping, suggest researchers

Campers fell asleep about two hours earlier than usual when denied access to their gadgets and electrical lighting, study showed

As an antidote to one of the ills of modern life, it may leave some quite cold. When the lure of the TV or fiddling on the phone keep you up late at night, it is time to grab the tent and go camping.

The advice from scientists in the US follows a field study that found people fell asleep about two hours earlier than usual when they were denied access to their gadgets and electrical lighting and packed off to the mountains with a tent.