Did you adjust the thermostat last night? A sleep challenge is intended to help you sleep better. If your temperature isn’t in the proper range, it may be difficult to sleep. Various sources recommend a room temperature between 60 and 72 degrees. What do you do when other people sleeping in your room have different preferences on temperature? Several devices are available to help with this.
A couple different companies make a pad that goes on your bed and regulates temperature.
You might have heard of the ChiliPad.
https://www.chilitechnology.com/collections/all
Sleep Number has similar offerings that come in a range of sizes.
https://www.sleepnumber.com/sn/en/All-Bedding/Mattress-PadsLayers/p/dualtemp3
A different approach is to try moving air under the covers. No. Not like that. Check this out.
https://www.bedfan.com/
We’re not endorsing any of these products and we currently have no affiliation with any of these companies. These are options to consider if you are having issues with sleep temperatures.