Which jimjams really are the cat's pyjamas? Our sleepyhead puts velvet, silk and pure wool to the zzzz-test
- Temperatures may drop below zero in Britain next week and there could be snow
- Studies suggest woollen pyjamas help wearers drop off faster and sleep longer
- Alice Smellie spent six nights testing nightwear made from six different fabrics
The cold snap has definitely hit. Temperatures may drop below zero in some parts of Britain next week, and the Met Office has indicated there could even be snow — so it’s important to wrap up warm.