Some people who take ashwagandha may experience some side effects such as headache, sleepiness, and stomach upset which are usually mild to moderate.
The side effects of ashwagandha are usually not serious but if you continue to experience those side effects it would be good to speak with your doctor.
Some people need to have doctors guidance when taking ashwagandha because some peoples bodies do not tolerate the ashwagandha as well as others.
But usually taking ashwagandha daily short term is pretty safe.