Now it's getting dark around midday and there isn't a shred of sunshine to be had anywhere in the country, it's safe to say that winter has arrived.

While you may very well be tempted to simply crawl under a sheet and hibernate for the next three months, we all know that's just not an option.

However, science-types have now determined the exact time when it's best to go beddy-byes and have even come up with a few other tips to get the perfect night's rest. Over 1,000 people were surveyed and studied as part of the study by Britain's National Sleep Foundation to determine the best conditions for sleeping.

10.37PM has been selected as the most optimal time to start sleeping, with cotton pyjamas over silk pyjamas being more suited. There's more.

Hot water bottles should be used along with an extra blanket and slipper socks are also preferable. It's also noted that you should use goose-down pillows (no idea) and upgrade to a 13.50tog duvet (again, no idea).

That's all well and good, but most of us are usually just happy to sleep on the couch with Netflix going in the background before flopping onto the bed on top of the covers and sleeping it off.

We're not fussy.