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Shift work and nutrition....

Working shifts can affect your health by interfering with your "internal body clock", known as the circadian rhythm, that functions to regulate the roughly 24 hour cycle of the human body. Working shifts can throw your circadian rhythm off. For example, your internal body clock tells your body to be awake in the daytime and asleep when it's dark. After working through the night, you may want to go to sleep just when your body thinks it's time to wake up!

Digestive processes slow down in the evening and overnight. When this rhythm is interrupted by shift work, what you eat may be out of sync with what your body is able to process. Fats will not be cleared from the blood stream as efficiently and blood sugars will not be regulated appropriately.

That is why some foods that you tolerate well during the day may trouble you if you have them late at night.

Use these simple healthy eating tips to help you feel great and stay alert at home and on the job:

1. Brown-bag it.
Packing healthy meals and snacks at home will make it easier to eat well on your shift. Include a variety of nutritious foods from all four food groups in Eating Well with Canada's Food Guide.

2. Go for balance
Enjoy plenty of vegetables and fruit and whole grain products. Choose lower fat milk products like skim, 1% or 2% milk and yogurt and lean meats and alternatives like boiled eggs or peanut butter, take proper serving size.
Avoid high-fat, fried or sugary foods.

To prevent indigestion or 'heartburn' consume lower fat foods that are not fried or too spicy. Foods high in sugar may give you a short burst of energy, but can ultimately leave you feeling sluggish.

3. Watch your portions
if you work shifts you may find yourself eating a large meal twice, first at work and then again at home. This can amount to too many calories that can lead to weight gain. If you're planning to enjoy a large meal after work, try having lighter meal or snacks at work to tide you over.

4.Stay hydrated
Drink plenty of water and other fluids to prevent dehydration, which can leave you feeling tired. Remember that by the time you feel thirsty you are likely already dehydrated. Keep a water bottle close by and drink regularly throughout your shift.

5. Eat meals according to time of day, not your shift. If you start work in the afternoon, have your main meal in the middle of the day, rather than in the middle of your shift. If you're working nights, eat your main meal before your shift starts, preferably between 5 and 7 p.m.
Have a late night pick-up. A snack with a little protein will provide sustained energy late at night when you start to feel tired.

6. Try fruit with a small piece of lower fat cheese or half a small whole grain bagel with peanut butter. A late night pick-up will help keep you alert when your body is programmed for sleep.

7. Cut down on caffeine. Caffeine stays in your system for up to eight hours which can make it difficult to fall asleep later. It's best to have caffeinated drinks before or early in your shift. Even better, switch to decaffeinated tea or coffee and enjoy fruit juice, lower fat milk or water.

8. Have a light snack before bed
You can improve the quality of your sleep by not going to bed too full or too hungry. A light carbohydrate rich snack such as whole grain cereal with fruit or whole grain toast and jam are a good choice.

9. Stay active
Some light exercise before or midway through your shift will give you energy to finish your shift, improve your mood and help you sleep better. Do some stretches during your break or go for a brisk walk.

10. Maintain a healthy body weight
A healthy body weight can reduce your chances of getting heart disease, diabetes and even some cancers. Learn more about how you can achieve and maintain a healthy weight.

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