| Caffeine | ||
| Caffeine is a diuretic. It may lead to nighttime waking and it may interfere with normal sleeping patterns. Avoiding caffeine before bed is recommended for people suffering from insomnia. Some common beverages, foods, and compounds containing caffeine are listed below. | ||
|
Serving Size |
Amount of Caffeine |
|
| Black tea |
1 cup (8oz.) |
45-50 mg |
| Coca-Cola |
12 oz. |
34.5 mg |
| Coffee |
1 cup (8oz.) |
100-130 mg |
| Decaffeinated Coffee |
1 cup (8oz.) |
40-100 mg |
| Green tea |
6 oz. |
30 mg |
| Guarana |
variable |
25-50 mg |
| Mate |
variable |
25-50 mg |
| Mountain Dew |
12 oz. |
55 mg |
| No-Doz (max. strength) |
1 caplet |
200 mg |
| Kick citrus drink |
12 oz. |
54 mg |
|
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