Popsugar Living Cooldown Products to Keep You Cool at Night Don't Sleep in the Summer Without These 12 Cooling Products 26 June 2019 by India Yaffe View On One Page Photo 8 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Hydro Flask Water Bottle Keep this Hydro Flask Water Bottle ($48) by your bed and your water stay cool all night long. Hydro Flask Water Bottle $48 from amazon.com Buy Now Previous Next Start Slideshow ShoppingCooldownSleepSummer