Coffee and Sleep
Coffee and its adverse affects on our sleep patterns
Caffeine remains in the body’s system for around 12 hours. A single cup of coffee can contain up to 200mg of caffeine. If you were to drink a cup of coffee at around 4pm, by 10pm you should have about 100mg of caffeine still in your system (body).
You could fall asleep with this amount of caffeine within you, however, your ability to attain the required deep sleep your body requires to repair and rest is severely impaired. Consequently, you wake up feeling tired and reach for that cup of coffee in the morning to help wake you up. This is how the caffeine cycle keeps perpetuating.
After reaching a moderate case of addition you being to feel very tired and mildly depressed when you try to break free of this cycle. Dilation of blood vessels in the brain may also cause headaches and migraines again making it harder to fall asleep. For this reason, you should try to cut down your consumption gradually for your body to adapt to the change.