Your circadian rhythm is your body’s 24-hour master clock — controlling sleep, hormones, digestion, and even your temperature ...

When you’re short on sleep and your focus suddenly drifts, your brain may be briefly slipping into cleanup mode. Scientists ...

As back-to-school routines kick in, here’s how to reset your sleep schedule with small, science-backed habits — and finally get the restorative rest your brain and body need. LA Times Studios may earn ...

What if your brain could improve faster than you think? Here’s how a 12-week plan can boost focus, memory, and mental energy.