When you’re building a machine learning model you’re faced with the bias-variance tradeoff, where you have to find the balance between having a model that: Is very expressive and captures the real ...

Ever wake up from a nap feeling extra groggy? Naps can be beneficial for your mental and physical health, but there's a few things you need to know. NPR's Life Kit has tips for the optimal nap. Now ...

There's a term for that sleepy, almost-drunk feeling — it's called sleep inertia, says Dr. Seema Khosla, a sleep medicine physician and the host of Talking Sleep, a podcast from the American Academy ...