Factors of diet that cause trouble sleeping
Watch your sleep diary to see any connection between your dietary habits and your sleep problems.
Some people find that a heavy meal before bed causes trouble sleeping. If smaller dinners help you sleep better, schedule your main meal for lunchtime.
Some people notice that a particular food causes sleep trouble even though other people eat that same food without any problem.
If you have heartburn or “GE reflux” (gastroesophageal reflux), you probably know the foods to avoid during the hours before bed. Usually these are spicy, acidic or carbonated but sensitivities vary. Smaller evening meals might help too. (See suggestions regarding GE reflux in chapter 8.)
New research suggests that a high fat diet may be related to higher stress levels. More research is needed but you could investigate for yourself by keeping record of your diet in your sleep diary. Does your sleep trouble seem linked to your fat intake? (Many snack foods, pastries & baked goods have high fat content -- so do fried dishes, sauces and some meat & dairy.)
Even if you’re on a weight-loss diet, avoid going to bed hungry. A light healthy snack before bed could be all you need for better sleep (as described in chapter 9).
In the long run, better sleep might help you lose excess weight. Studies show that people suffering sleep deprivation tend to eat more than usual. Interestingly, they tend to choose foods of high fat content.
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Caffeine & Sleeplessness
Often people don’t realize their sleeplessness is caused by the caffeine they consumed earlier in the day. Avoid caffeine after 4 pm. Some people are very sensitive to caffeine and must avoid it after 12 noon, or even exclude it entirely from their diet.
Sensitivity to caffeine often increases with age.
Caffeine is present not only in coffee, but also in many teas (including green tea), soft drinks, and chocolate.
Many nonprescription medications contain caffeine. Check package labels, especially headache and pain pills.
Surprisingly, decaffeinated coffee and tea can still have enough caffeine to give some people trouble sleeping.
If caffeine is affecting your sleep, you may need to cut back gradually over several days or even weeks. Caffeine withdrawal can cause headache, lethargy and mood change as the body rebalances.
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Alcohol & Sleep Trouble
Many people don’t realize that their sleep trouble is caused by alcohol. Alcohol might cause a person to fall asleep (even “pass out”) but the resulting sleep is easily disrupted and not as restorative as natural sleep.
Avoid drinking alcohol within 2 hours of bedtime. Doctors used to prescribe alcohol as a sleep aid, but now we know that alcohol before bed brings sleep of poor quality.
Drinking more than 1-2 alcoholic beverages per day can interfere with your body’s sleep-wake cycle (depending on your weight and individual sensitivity). This means that sustained heavy use of alcohol can disrupt sleep even on days when you don’t drink.
Alcohol withdrawal can cause temporary insomnia. This means that when you stop drinking (or significantly reduce your intake), you might have more trouble sleeping than before. This sleep trouble can last for several days, even several weeks, until your sleep-wake cycle returns to normal.
Insomnia caused by alcohol withdrawal is usually temporary unless complicated by other factors such as those listed in this workbook (e.g. smoking, stress, poor diet etc.). Sometimes sleep trouble has become a habit (as described in chapter 14).
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