The strength of our immune system depends on the quality of our sleep.

Our immune system repairs during deep sleep. Sleep poorly and we make 75% fewer virus-fighting natural killer cells and 50% fewer antibodies.

As well as helping us to sleep, the Zeez can help us to relax, and that also helps our immune system.

COVID-19 is scary. We need our immune system to work well to minimise its impact, and that means that we need good quality sleep. .

Young people are now at more risk from some cancers than the over 75s, and shorter sleep may explain why. People who sleep less than 6hours a night have an almost 50% increase in the risk of bowel cancer compared with those who sleep 7 hours a night.

You may be surprised by quite how much the quality of our sleep affects the quality of our relationships. Changing our sleep can be a powerful way to change our relationship.

Poor sleep increases our risk of developing Alzheimer’s and Parkinson’s disease. What does the evidence show, and if sleep is therapy, how can we achieve it?