Oh my gosh, don't you love how we have to put 'not covid related'? New era, right?! So, cough is actually very common to come at night. Were you sick prior and cough went away during the day but lingers at night? This is a common pattern actually. But many also have that night time dry cough. Read this article: https://www.healthline.com/health/dry-cough-at-night Suggestions to look into are asthma. Gerd. (very common to cause a cough and when you lay down.) a virus. Dry air if you use a furnace in your home (it's winter here, we turned ours on and it runs more now that the temp dips). Does a humidifier help?