The study authors believe that sleep deprivation can cause your body to produce extra hunger hormones (like ghrelin) and fewer satiety hormones (like leptin). This means you’ll feel hungrier and have a harder time controlling your cravings once they hit. Most adults should aim for at least 7 to 9 hours of shuteye per night, per the National Sleep Foundation’s recommendations.

A goal really helps you focus, so start by thinking about what fit and healthy means to you. Is it about being able to climb the stairs at work without getting out of puff? Or going for a long walk without your legs wobbling? By finding a personal “finish line” – one that is about you, rather than other people’s standards – you will give yourself the motivation you need to keep going. And simply by turning your attention to exercise for the next month, you will become fitter and healthier – it’s as simple as that.

Have you been consistent with workouts but haven’t gotten the results you were hoping for? Your low-key resolution is to change up your workout. Commit to the same number of workouts per week, but make these workouts completely different. If you’ve been going to yoga three times a week, go to a cycling class instead. Or if you’re walking on the treadmill every day, move over to the recumbent bike instead. By sparking a change in your routine, your muscles will be forced to work differently and hopefully you’ll begin to see the results you’ve been hoping for!
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