The traditional hot water bottle is just an empty bag made of rubber, usually square, with a hot water inlet and outlet at one end and a sealed plug, mostly a screw plug. It keeps warm by pouring hot water. When you sleep, put the hot water bottle on your back neck, which will make you feel very gentle and comfortable.
Hot water bottle has the advantages of portability, heat preservation and heating. Many office white-collar workers or people at home will prepare a hot water bottle for heating in winter, and the hot water bottle is filled with ordinary hot water. At present, there are many kinds of hot water bottles on the market, and water-filled hot water bottles are also very popular. When the hot water bottle is used, it should be covered with a towel or blanket to avoid hot water leakage.
Tips for keeping warm in winter:
1, movement
Physical activities such as indoor sports or dancing can help you warm up, but don't sweat.
2. Wear thick socks and slippers.
Furry socks, slippers or shoes worn at home can add extra comfort.
Step 3 hug
Snuggling can really keep warm. Increasing skin contact will reduce the loss of heat to the surrounding environment. If two people are under the blanket, the total heat loss will increase the temperature under the blanket faster than one person.
4. Choose airtight clothes and sheets.
Breathable flax (such as cotton and linen) is generally used in summer, but flax with other materials and higher linear density may be more suitable for winter.