A headache is a health problem that might be comparatively minor but will definitely not let you concentrate on your work. So, it is better to take a day off to rest and heal than to exert yourself at work. Given below is an example of sick day email sample and simple Sick Leave Email for headaches.
Headache Sick Leave Email Sample Format
This is to inform you that I will not be able to report to work today. I woke up with a severe headache this morning. I will not be able to give my hundred percent focus to work even if I came to the office.
I request you to kindly sanction leave for today from the office.
Thank you for your kindness.
Employee ID: 3567894