Все виды вопросов к предложению In winter I usually go to bed at ten oclock

Do I usually go to bed at ten o\'clock in winter?

Do I usually go to bed at ten o\'clock in winter or in summer?

When do I usually go to bed in winter?

What do I usually do at ten o\'clock in winter?

Who goes to bed at ten o\'clock in winter?

In winter I usually go to bed at ten o\'clock, don\'t I?