My mother was too tired, so she went to bed early.

Source: Tatoeba

Having a slight headache, I went to bed early.

Source: Tatoeba

Tom went to bed early.

Source: Tatoeba

Tom didn't know why Mary left so early.

Source: Tatoeba

Ellen was so tired that she went to bed early.

Source: Tatoeba

Tom goes to school early on Mondays.

Source: Tatoeba