The clocks change this Sunday.This weekend, we’ll lose an hour of sleep as the clocks jump forward.This mean plenty of mums will be ringing in Mother’s Day (30 March) with their kids waking them up an hour earlier than normal. Oh joy.While 60 minutes difference might not seem like much of a change (and indeed, some kids breeze through the clocks changing without a hiccup), Dr Hana Patel, resident sleep expert at Time4Sleep, said the change prompts our circadian rhythm to “re-calibrate”.“It can take a few days for our body to adjust to our new sleep cycle,” she added. While most adults are used to their sleep schedules changing, it can be a little harder on children, added Dr Patel, as kids “thrive on routine and the clocks changing can interrupt their natural sleep schedule”.So, what does she advise? Some sleep experts recommend incrementally shifting dinner time, and then bedtime,