Why is Sweet Dreams not recommended if you have hypothyroidism?

The warning on the Sweet Dreams packet is due to a herb call Lemon Balm (Melissa officinalis) which can naturally help if you have an overactive thyroid.

We never know if a person is drinking one cup or eight cups per day, so we like to make sure that the recommendation is clear. An occasional cup or one cup of Sweet Dreams a day should not make a significant impact on your thyroid function, but we have tried to make sure for those who are drinking it regularly and at higher doses need to be aware that herbs can have effect on the body. An alternative for you is Relaxing tea, which has similar nervine herbs to help relax the body.