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Health psychology is based on the understanding that the mind and body are interconnected: what affects one can affect the other. For example, stress not only feels unpleasant emotionally; it also produces adverse physical outcomes, such as high blood pressure, hormonal changes, and changes in blood sugar regulation. Conversely, physical health problems often impact mental health and may contribute to symptoms such as anxiety or depression. A health psychologist helps individ

Almost everyone has heard the number: eight hours. It gets repeated so often that most people treat it as a biological law. It isn't. Sleep need varies quite a bit from person to person, shaped by genetics, age, health, stress, and activity level. Most adults fall somewhere in the 7-to-9-hour range, but where you land within that range is genuinely individual. Some people function beautifully on 6.5 hours. Others feel wrecked on anything less than 9. Neither is wrong. Here's

Here's a scenario a lot of people recognize: you've had a long day, maybe a hard one, and by evening you're running on fumes. You finally get into bed. And then nothing. You lie there, exhausted, while your brain apparently did not get the memo. This is one of the more frustrating experiences insomnia produces, and it has a fairly logical explanation once you understand what "tired" actually means. Tired and sleepy are not the same thing. We use the words interchangeably, but

Think about a dog that gets fed at 6 p.m. every evening. By 5:45, it's already at the bowl. No one told it what time it was; it just learned, through repetition, that something happens around this time. Your body works the same way. If you've been waking at 3 a.m. for the past few months, there's a good chance your internal clock has learned to expect it. Researchers call this temporal conditioning. Waking briefly during the night is actually normal — we all do it, we just do

If you've ever searched "how to sleep better" at 2 a.m., you've seen the list: keep the room cool, stick to a schedule, put the phone down. Those tips aren't wrong; they just don't go very far. Think of it as the difference between wiping down a wet counter and fixing the leak that’s causing it. When sleep problems are serious or persistent, something more targeted is needed. That's where CBT-I comes in. CBT-I stands for Cognitive Behavioral Therapy for Insomnia. The idea is