The American Academy of Sleep Medicine is releasing for the first time guidelines for how much shut-eye kids should be getting.

But the group is telling parents not to lose too much sleep themselves over those guidelines.

The Academy recommends 12 to 16 hours of sleep, including naps, for infants 4 months to 12 months.

And it says teens 13 to 18 years old should be getting 8 to 10 hours. The Academy says adequate sleep is linked with improved attention, behavior, learning, mental and physical health.

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