Some people swear by 6am. Others can't string a sentence together before nine and do their best work after dark. When it comes to morning vs evening gym classes, the research on which is 'better' is mixed, and honestly it matters much less than one simple thing: which time can you keep showing up to, week after week?

Consistency beats perfect timing every time. Here's how to work out which slot suits you. For a sense of how classes fit into a real week, see inside a week of gym classes in West Hampstead.

Morning vs evening gym classes: the case for mornings

The biggest advantage of training in the morning is that nothing has had the chance to get in the way yet. No meetings running over, no last-minute drinks, no 'I'm too tired now'. Once it's done, it's done, and many people find it sets a better tone for the day.

The downsides are real, though. You need to get to bed earlier, and your body can feel stiff first thing, so a proper warm-up matters. If you train on an empty stomach and feel flat, a small snack beforehand can help. Our guide to pre-workout nutrition has some ideas.

The case for evening gym classes

By the evening, your body is warmed up and many people feel stronger and more coordinated. A hard session after work is also a great way to shake off a stressful day. Evening classes often have a sociable feel too, which helps if you like training with familiar faces.

The risk is that evenings are where plans go to die. Work overruns, you get invited out or you just sink into the sofa. Some people also find a very intense session late at night makes it harder to fall asleep, so if that's you, an earlier evening slot may work better.

What about lunchtime?

If you work locally or from home, a midday class can be the best of both worlds. The day has already started, so you're warmed up, but the evening chaos hasn't kicked in yet. A 45-minute class plus a quick shower fits into a long lunch break, and many people find they come back to their desk sharper for the afternoon.

What actually makes you consistent

Whichever time you choose, these habits make the biggest difference:

• Book your classes in advance. Once it's in the app, it's a commitment rather than a maybe.
• Pick the same days each week so training becomes part of your routine.
• Choose short sessions. At 45 minutes, our classes are easier to fit around work.
• Have a back-up slot for weeks when your usual time falls through.
• Train with a friend, or get to know the regulars in your class.

Our 12-hour cancellation window helps here. Once you've booked, you're more likely to go. Our memberships also run on a 28-day cycle, so your weekly routine stays the same even in months with five Mondays. For more on the psychology, read how to start new habits that actually stick and discipline through fitness.

Try both before you decide

If you're not sure, use your first fortnight to experiment. Do one morning and one evening class each week and pay attention to how you feel afterwards, how well you sleep and which one you actually looked forward to. Parents juggling nursery runs might find our time-smart fitness guide for busy mums useful too.

Weekends count as well. Our CrossFit-style POWER classes run on Friday and Sunday at 5pm, and Hyrox classes at 6pm. Check the full timetable for this week's slots, or get in touch and we'll suggest times that fit your routine.