What might cause my voice to become hoarse at night?

Reviewed by Yoshinori Abe, MD

Internal Medicine

Nighttime hoarseness is often caused by aging vocal cords, insufficient sleep, or CPAP machine use for sleep apnea. Other common triggers include acid reflux, dry air, allergies, dehydration, and mouth breathing during sleep, all of which can irritate the larynx and disrupt normal vocal function overnight.

Because hoarseness at night can stem from so many different causes—some minor, others requiring medical attention—guessing isn't your best strategy. Take a free, instant, online symptom check to get personalized insight into what may be behind your hoarseness and clear guidance on your next steps.

Reviewed for medical accuracy: 07/14/2026

Important Next Steps

Discover why your hoarse voice worsens at night See if your hoarseness needs urgent care Find out what causes your nighttime hoarse voice Compare OTC options for hoarse voice relief Find a voice specialist near you Learn home remedies for hoarse voice Understand if hoarseness could signal something serious

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Explanation

Hoarseness at night can be caused by several factors. Aging can lead to changes in the voice, as seen in older adults. As we age, the structures in our voice box can change, leading to a hoarse voice.

Sleep deprivation is another factor that can affect your voice. When you don't get enough sleep, your vocal cords might not work as well, making your voice sound hoarse or tired.

Lastly, if you use a CPAP machine to help with breathing during sleep, it might also cause changes in your voice. CPAP machines help people with sleep apnea breathe better at night, but they can sometimes dry out the throat or affect the vocal cords.

If your voice is hoarse at night, consider these factors. Ensuring you get enough sleep and managing any devices you use at night might help. If the problem continues, you can use our free AI symptom checker to better understand what might be causing your symptoms and whether you should talk to a healthcare provider.

(References)

Lundy DS, Silva C, Casiano RR, Lu FL, & Xue JW. (1998). Cause of hoarseness in elderly patients. Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery, 9560099.
Bagnall AD, Dorrian J, & Fletcher A. (2011). Some vocal consequences of sleep deprivation and the .... Journal of voice : official journal of the Voice Foundation, 21402470.
Hamdan AL, Sabra O, Rifai H, Tabri D, & Hussari A. (2008). Vocal changes in patients using nasal continuous positive .... Journal of voice : official journal of the Voice Foundation, 18762134.

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