Sometimes 24 hours doesn’t feel like nearly enough time to get everything done — those to-do lists aren't going to check themselves.

Especially when you're spending around eight hours of that time in bed.

Norman and Tegan assess whether it's possible to train yourself to sleep less without any of the negatives.

References:

• Which Is More Important for Health: Sleep Quantity or Sleep Quality?
• Sleep in the Military
• Familial natural short sleep mutations reduce Alzheimer pathology in mice
• What's That Rash? on napping and Norman's nap-time tips