WATER! Lack of water, is the no.1 trigger of daytime fatigue. Even mild dehydration will slow down one’s metabolism. A mere 2% drop in body water can trigger fuzzy short-term memory and difficulty focusing on the computer screen. Proper hydration helps keep your joints and muscles lubricated, raises your metabolism, regulates your body temperature, boosts skin elasticity…and the list goes on! Are you drinking enough water every day?