I don't have lunch at home. (always)
I don't always have lunch at home.
I stay in bed late (most weekends),
Most weekends, I stay in bed late/I stay in bed late most weekends.
I'm sleepy in the morning. (almost every day)
I'm sleepy in the morning almost every day.
I write emails to friends (sometimes).
I sometimes write emails to friends.
I listen to music on the radio. (occasionally)
I occasionally listen to music on the radio.
I'm late for school (never).
I'm never late for school
I check my phone for messages (every two hours)
I check my phone for messages every two hours.
I go out on Monday nights. (hardly ever)
I hardly ever go out on Monday nights.