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by throw7 4800 days ago
One of things that helps me is a sleeping cap. Mine is just a thin lightweight hat. I surmise this helps in the same way the article suggests to wear socks to keep your extremities warm. The only thing is, I hate wearing socks to bed, instead I wear the cap! :)

I also like to think the act of putting on my sleeping cap is also a nice subconscious cue that it's sleep time.