Ask your mom if she seems to get the really LONG cluster headaches close to the fall and spring equinox...you see there IS a coorelation to the LIGHT...and a persons normal circadian cycle....(Trust me, I study this chit, because I detest not being able to “think” and these hadaches truly affect my cognition!
Tanks... I will ask but I’m not sure if she ever made notes about that! LOL