Woman asleep on trainSome of us are night owls, while others are morning larks. That’s down to our chronotype – our natural, in-built preference for morning or evening activity. And while some evidence suggests that getting to bed before 1 am is good for everyone regardless of chronotype, there’s still a lot of variation within that window.Getting enough sleep is harder for many later chronotypes, who are struggling against an early bird-oriented world. That may lead to worse mental health outcomes, for instance. Meanwhile, natural early risers face similar struggles when they go against their own body’s preferences by getting up later. So, we thought we’d share some signs you’re not sticking to your body’s preferred schedule, and what to do about it.How can I tell if my body clock is broken?There’s a term for the issue –