Mornings can be rough for many people who tend to feel sleepy pretty regularly, which in turn makes them report feeling irritable a lot of the time. And yes, it’s hard to feel cheery when you’re overtired and stressed — much of which, alas, is outside of people’s control. But happiness experts say there are simple habits people can practice in the morning that will that have a profound influence on how they feel throughout the day. They’re easy tweaks that can help improve overall mental well-