Losing Fat Without Losing Sleep

An irony of New Year’s Resolutions driving people to diet and hit the gym in January is that winter is probably not the best time to try and burn fat in colder climates.

You have a more difficult time sleeping when hungry, especially if it’s cool or cold. Your body will kick into a sort of overdrive to burn body fat, which revs your circulation up enough to keep you in a state too awake to get to sleep. In fact, if you have issues getting to sleep, you may want to make sure you’re better fed shortly before bed.

But most of you want to lose weight and this is the time to do it because blah blah bathing suit season etc. You don’t want to punt the golden opportunity, and you certainly don’t want to gain weight during the winter when you want or need to lose fat in the long run. Fair enough.

There’s actually a middle ground, and it works especially well if you prefer to train later in the day. The key is intermittent fasting, i.e. not eating for most of the day, then eating all of your food in a limited time window like 6-8 hours.

Now, a myth with intermittent fasting is that it causes you to lose weight in itself. That isn’t necessarily true. You could still overeat for the day in the 6-8 hours you can eat. It’s very easy to pound a frozen pizza, and then a hamburger or something 4-6 hours later, let alone snack on anything in-between, and end up over the line. Even with 16-18 hours of not eating, you could still end up storing extra fat overall.

Given that, it’s still entirely possible to diet effectively and lose weight, while still going to bed each night feeling satiated after a ridiculously sized meal.

The key is to flip the conventional “breakfast like a king, dinner like a pauper” wisdom on its head. This is actually for most a counter-productive way of eating that has been sustained largely out of forced cultural habit. It makes sense to many people (even alleged experts) because that’s always how they’ve eaten.

Basically, even if your last meal of the day isn’t your largest, you want your last meal to be a large meal, one where by the time you go to bed you’re not in any way hungry. You may even want to top it off with a hearty snack right before bed.

Also, as this infers, you probably don’t want to start your limited feeding window at dawn and then eat your last meal around noon or 1pm, going to bed several hours after that meal. You will almost certainly be hungry at bedtime.

You will want to follow a more conventional intermittent fasting window, where you skip breakfast, eat your first meal at lunch, and then eat regularly until before bed. This allows you to fill your stomach close to full before bed and avoid insomnia-producing hunger.

Now, that doesn’t mean your first meal of the day should be the smallest. You can break your intermittent fast at lunch with a large meal as well. Just make sure any meal or snack you eat between lunch and dinner is not too large.

You probably do want to make sure you eat something a few hours after lunch to avoid any hormonal crashes or temptation to binge-eat any garbage at dinner… unless you have a specific reason you’d want to do so (like a special family dinner). Just make sure it’s around the 400-600 calorie range, bigger than a little snack but not quite a full meal.

Just because you can still gain weight intermittent fasting doesn’t mean your body isn’t burning fat during the fasting period. Moderating your diet just makes sure you aren’t piling on more fat than you burn. The fasting period does its job burning fat without food in your stomach. This process revs up your circulation, which you want during the day when you’re awake but mostly sedentary.

By back loading your food intake later in the day, your body can utilize this nutrition for post-workout and overnight recovery, and allow you to relax and sleep.

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