Do you feel like you’re in a slump? Like you can’t focus on anything clearly and your short-term memory is zapped? Mental exhaustion is a real thing, and it’s especially an issue when stress is high and the demands on us are constant. Many of us are parenting, working from home, and stuck inside for much of the day. But we can still make some simple tweaks to our lives to improve our mental alertness and feel more awake, invigorated, and energetic.