Studies strong immune system sleep Studies Studies Studies Diwakar Balachandran Studies sleep more likely to catch colds, flus, and viruses Studies Studies suppressed immunity Studies risk to immunity Studies Studies Studies Studies Studies people who don’t sleep normally or adequately get sick Studies [źródło] Studies Studies Studies WebMD reports Studies sleep weakened immune system Studies Sleep boosts immune function risk to immunity не вырабатывается Dr. Balachandran Studies immune system sleep wreak havoc on your immune system WebMD you don’t sleep well your immunity suffers. weakens your immune system Studies people who don’t sleep normally or adequately get sick