Fish is healthy. Fatty fish, like salmon, is loaded with omega-3 fatty acids and various other nutrients. Studies show that people who eat the most fish have a lower risk of all sorts of diseases, including heart disease, dementia and depression.
The importance of getting enough quality sleep can not be overstated. It may be just important as diet and exercise, if not more. Poor sleep can drive insulin resistance, throw your appetite hormones out of whack and reduce your physical and mental performance. One study showed that short sleep was linked to 89% increased risk of obesity in children, and 55% in adults.