When the summer nights are too hot to get a comfortable sleep, there are ways to cool your bedroom without resorting to an air-conditioning unit. If you have an old-fashioned hot water bottle, fill it with ice-cold water. You can also place your flat sheet and pillowcases in the freezer for a few hours before bedtime; they’ll feel cool against the skin until you fall asleep. And a regular tabletop fan can help blow cool air across your body, all while providing white noise to mask any other sounds that may prevent you from getting a good night’s sleep.
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