If you wake up feeling stiff, sore, or like your body needs extra time to "warm up," you’re not imagining it. What doesn’t help is assuming morning stiffness is simply an unavoidable part of getting older.

If you feel mentally exhausted by the end of the day, struggle to make simple decisions, or find yourself lying awake replaying tomorrow's to-do list, you’re not imagining it. What doesn’t help is assuming poor sleep and mental exhaustion are completely separate problems.

If you've ever felt tired, sluggish, or unable to focus—only to realize you hadn't had much water all day—you’re not imagining it. What doesn’t help is assuming every dip in energy means you need more caffeine or another snack.