as much as possible

I go to bed as early as possible.

私はなるべく早く寝ます

I go to bed as early as possible on weekdays.

私は平日はなるべく早く寝ます

I go to bed as early as possible at home on weekdays.

私は平日は家でなるべく早く寝ます

I go to bed as early as possible at home before midnight on weekdays.

私は平日は家で午前零時より前になるべく早く寝ます

I go to bed as early as possible at home before midnight on weekdays, with my phone switched off.

私は平日は家で午前零時より前に携帯電話を切ってなるべく早く寝ます