Do not eat any meal at least three hours before bedtime. Nutriverse Keto When sleeping, the body's metabolism is slower, so the nutrients and calories that may be produced end up being stored in some body areas as fat deposits. However, it is also not advisable to sleep while starving because sleeping also requires some energy. Just regulate your meal hours prior to going to bed. Cardiovascular exercises are the best way to burn fat and they are also good for your heart. Health experts advise doing cardiovascular exercises at least three to four times every week, averaging about 20 minutes each. Did you know that walking is a good cardiovascular exercise? It is also low impact and safe for your joints.