Have your thyroid checked
If it’s not producing enough thyroid hormone, it could be making you feel tired and run-down. A simple blood test will tell. Other symptoms of low thyroid are dry skin, weight gain, constipation, and feeling cold.
List all the people you’re angry with and write each a letter of forgiveness
Stewing over past events only drains your energy. “Try to accept others for who they are and don’t expend a lot of effort on changing them,” says Dr. Wilson. Oh, and you don’t have to send the letter. Simply writing it is enough.
Soak up a little sun in winter
Have all the energy of a hibernating bear in the winter? Make a point of getting outside for 30 minutes to an hour during the day. The natural light can improve your energy level and help fight seasonal affective disorder—also known as the winter blahs. These are the everyday things that drain your energy.