It must involve the following items:
* A blanket
* A heat source (gas fire, etc)
* A cheesy detective programme playing in the background*
It must also take place between the hours of 1 and 4. Anything else is just a waste of an evening.
*Retire to your settee.
*Cover self with cwtchy blanket
*Select desirable programme
*Allow some time to pass*
*Awake refreshed and dishevelled!
*The addition of flu is optional.