First semester is a lot of 8-5 days. Second semester a little shorter days but still long. Currently the first years have clinical skills labs on mondays and anatomy lab on Tuesday and Thursday. Usually exams on Mondays and sometimes Fridays.
You get used to it. Friends make it better. Their was no first year clinical skills class when I went through, so I imagine that helps a lot too.
Second year days are more like 9-2 or 9-12. Third year is 9-12 (or 10-12 second semester), but you can take morning electives plus you have more labs.