Does lack of sleep affect your immune system?

Yes. Any physical or emotional stress, if significant, can affect your immune system. This includes lack of sleep, anxiety, emotional distress, etc. If you are having difficulty sleeping, try 20-30 minutes of exercise a couple of hours before bed. Melatonin is also a safe otc supplement that helps some people adjust their day/night cycle.

Related Questions

Why does lack of sleep hurt your immune system?

Alters body rhythm? A body that is very fatigued, due to a lack of sleep, excess stress, being overworked, etc..., may get sick more easily. This concept is difficult to prove. Maybe a person's internal biological rhythm is disrupted, leading to changes in one's natural cortisol levels, which will alter one's immune system functioning and change the ways his body responds to additional stress. Read more...
Sleep and immunity. Sleep does play a big role with many systems in our body. It does not actually get weaker it is simply that if the body is tired, the defense systems within the body will not be as alert. Read more...

Could you tell me how long it takes your immune system to recover from lack of sleep?

Immune/sleep. Some parts of the immune system (cellular mediated) are immediately changed (fast changes in chemical mediators such as cytokines), but humoral mediated immunity can sometimes take more time, such as weeks to months to recover, also dependent on degree of sleep deprivation and duration. Read more...