By Dr. Laura Nathanson, M.D.
October 05, 2005

Q: My 10-month-old daughter has always been a good sleeper, but recently she has needed more sleep than ever. She went from two to three naps a day, in addition to sleeping ten hours at night. I'm worried that a medical problem may be what's making her so tired.

A: Add up all the time your baby spends snoozing. If she's sleeping for 13 or 14 hours a day, that's normal for a child her age and there's no need to worry. She has probably just redistributed her sleep into a new pattern.

But if your daughter has increased her total amount of sleep by more than an hour a day or is logging 15 or more hours, have your pediatrician check for an underlying cause. She could have an iron deficiency, which is common in babies who are exclusively breast-fed or drink formula that's not iron-fortified. Low thyroid hormone could also be causing the problem.

If a thorough checkup reassures you and your pediatrician that everything's fine, it may simply be that your baby has recently become much more active; crawling and learning how to walk can definitely tire a child out.

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Comments (5)

Anonymous
December 28, 2018
My baby never slept well (especially through the night) until I started using the website www.SleepBaby.org - that website has been by far one of the best things I've ever got my hands on to get him to fall asleep quickly. Best time is 45 seconds from awake to asleep! Can’t imagine life without it! I heard about it through a kindergarten teacher who uses it to put to sleep a group of 30 children. Check it out!
Anonymous
December 4, 2018
Quick tip for all you parents all out there: My baby never slept well (especially through the night) until I started using the website >>>>SleepBaby .org<<<< - that website has been by far one of the best things I've ever got my hands on to get him to fall asleep quickly. Best time is 45 seconds from awake to asleep! I heard about it through a kindergarten teacher who uses it to put to sleep a group of 30 children. Check it out! Sorry, you can't post links here so you'll have to turn it into a normal link. >>SleepBaby .org<< Best of luck to you and your family! :)
Anonymous
December 4, 2018
Quick tip for all you parents all out there: My baby never slept well (especially through the night) until I started using the website >>>>SleepBaby .org<<<< - that website has been by far one of the best things I've ever got my hands on to get him to fall asleep quickly. Best time is 45 seconds from awake to asleep! I heard about it through a kindergarten teacher who uses it to put to sleep a group of 30 children. Check it out! Sorry, you can't post links here so you'll have to turn it into a normal link. >>SleepBaby .org<< Best of luck to you and your family! :)
cle3775690
December 1, 2018
My baby never slept well (especially through the night) until I started using the website www.SleepBaby.org - that website has been by far one of the best things I've ever got my hands on to get him to fall asleep quickly. Best time is 45 seconds from awake to asleep! Can’t imagine life without it! I heard about it through a kindergarten teacher who uses it to put to sleep a group of 30 children. Check it out!
Anonymous
December 1, 2018
My baby never slept well (especially through the night) until I started using the website >>SleepBaby.org<< - that website has been by far one of the best things I've ever got my hands on to get him to fall asleep quickly. Best time is 45 seconds from awake to asleep! Can’t imagine life without it! I heard about it through a kindergarten teacher who uses it to put to sleep a group of 30 children. Check it out! >>SleepBaby.org<< - sorry, you can't post links here so you'll have to turn it into a normal link :) Best of luck to you and your family!