We have a hot water bottle each. OH has one with a cover but I dont like it covered. We orefer them to an electric blanket as they stay warm all night. If you get out of bed during the night,when you get back in theres always some warmth left in the bottle to cuddle up to. I sometimes wear bedsox but often have to take them off during the night. My OH feet are like blocks of ice sometimes, but his body is always red hot. I keep on at him to go to the Docs, but you know what men are about docs !!