Cravings / Randomized crossover trial
Short sleep can raise snack drive
Nutrients. 2023 / PMID 37562755
The findings point to higher appetite and snacking risk, but they do not prove that sleep is the only cause of cravings.
Cravings and food environment drop
Cravings and overeating can build from short sleep, low protein, easy food cues, ultra-processed defaults, and a setup that is hard to repeat.
Kris Oddo, NASM-certified personal trainer, is the founder and head coach of Gains From Geebs (Geebs Coaching), a 1:1 online fitness coaching practice.
Kris's takeaway
Related questions
Cravings and appetite answer
Cravings do not automatically mean you are deficient. That explanation is usually too simple. Sleep, protein, meal timing, stress, food cues, and the home food environment can all change the odds of overeating.
Food environment answer
Ultra-processed foods are not morally bad, but they can make fat loss harder when they increase passive calorie intake, cravings, and repeated food-cue decisions. Change the foods that are easiest to grab instead of using fear or shame.
Fasting and fat-loss answer
Intermittent fasting can work when the eating window makes a calorie deficit easier to sustain. It is not automatically better than ordinary calorie restriction, especially if the shorter window makes protein harder to hit.
Original PubMed studies
Cravings / Randomized crossover trial
Nutrients. 2023 / PMID 37562755
The findings point to higher appetite and snacking risk, but they do not prove that sleep is the only cause of cravings.
Cravings / Controlled sleep-curtailment study
The American Journal of Clinical Nutrition. 2009 / PMID 19056602
The study links sleep loss with snack intake, but it does not show that sleeping more automatically causes fat loss.
Cravings / Meta-analysis
Obesity Reviews. 2016 / PMID 26644270
Food cues can raise craving and decision load, but they do not force anyone to eat.
Sleep / Wearable and app-data analysis
Personal and Ubiquitous Computing. 2022 / PMID 36405389
This study can inform a sleep-routine experiment, but it cannot diagnose insomnia or guarantee that removing your phone will fix your sleep.
Nutrition / Inpatient randomized controlled trial
Cell Metabolism. 2019 / PMID 31105044
This study does not show that every processed food is harmful. It highlights how food defaults can change calorie intake.
Nutrition / Narrative review
The American Journal of Clinical Nutrition. 2008 / PMID 18469287
Protein is not magic, and its effect on fullness varies from person to person.
Nutrition / Systematic review
Canadian Family Physician. 2020 / PMID 32060194
Fasting does not outperform calorie restriction for everyone. Its fit depends on appetite, schedule, protein intake, and health context; medical use belongs with a clinician.
Nutrition / Clinical trial
Journal of Translational Medicine. 2016 / PMID 27737674
This specific protocol was tested in trained men, so the result may not apply to other people, medical contexts, or fasting schedules.
Nutrition / Randomized controlled trial
European Journal of Sport Science. 2017 / PMID 27550719
One fasting protocol will not fit every lifter; the schedule details and your ability to follow them shape the result.
Nutrition / Randomized controlled trial
The American Journal of Clinical Nutrition. 2016 / PMID 26817506
This was a specific short-term protocol with intense exercise, so its simultaneous lean-gain and fat-loss result will not apply to everyone.
More Science Drops
Sleep and cravings drop
Protein and recomp drop
Training and longevity drop
Creatine and strength drop
Cardio and fat-loss drop
Fat loss and muscle drop
FAQ
Audit the environment before blaming discipline: visible trigger foods, protein gaps, meal spacing, and whether fasting is helping adherence or creating rebound pressure.
Cravings do not automatically mean a deficiency, and no single diet style wins for everyone. Use the setup you can repeat.
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25 lbAverage fat loss across 15 completed clients tracked over 16 weeks. Individual results vary.
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