Compare Sonata vs. Unisom

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Sonata (Zaleplon)

Prescription only
Helps you sleep.

Sonata (Zaleplon) helps you fall asleep, but it's not as good for staying asleep. It also interacts with a lot of diseases and other drugs.

2.9/ 5 average rating with 175 reviewsforSonata
Treats allergy symptoms and helps you sleep.

Unisom Sleeptabs (Doxylamine) can help you get a good night's sleep, but you can have a hard time waking up if you don't give yourself enough time to sleep.

3.3/ 5 average rating with 585 reviewsforUnisom
Upsides
  • Effective at helping people fall asleep faster.
  • Doesn't last as long in the body as some other sleep medicines, so it's okay to take it in the middle of the night as long as you enough time to sleep. (But be sure to discuss it with your doctor first.)
  • Works well to help you fall asleep and doesn't make you feel groggy the next morning.
  • Has fewer side effects than prescription sleep aid medications.
  • Available over the counter without a prescription.
  • Not habit-forming like other sleep aids can be.
Downsides
  • Not typically used for long-term treatment since it can be habit-forming.
  • Doesn't last as long in the body as other sleep medicines, so it's not as good at helping you stay asleep.
  • Interacts badly with many other medications.
  • Not a good option if you're pregnant or breast-feeding.
  • People have sleep-walked, sleep-driven, and sleep-eaten while on Sonata (Zaleplon).
  • Might not be safe if you have problems with your liver, kidneys, lungs, or if you have a history of depression.
  • It's easy to become reliant on sleep medicines. In the long run, it's better to learn good sleeping habits and behaviors so you can sleep better naturally.
  • Shouldn't be used unless you have a full night to sleep.
  • You shouldn't drive after taking Unisom Sleeptabs (Doxylamine) until you know how it affects you.
  • Drinking alcohol while taking Unisom Sleeptabs (Doxylamine) isn't recommended.
  • It can increase the risk of falls, so elderly people shouldn't use Unisom Sleeptabs (Doxylamine).
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Used for
Dosage forms
  • Pill
  • Pill
  • Chewable tablet
  • Liquid
Price
No pricing information available
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Reviews
175 reviews so far
42%
saidit'sworth it
23%
saiditworked well
27%
saidit'sa big hassle

Have you used Sonata (Zaleplon)?

Leave a review
585 reviews so far
58%
saidit'sworth it
32%
saiditworked well
11%
saidit'sa big hassle

Have you used Unisom Sleeptabs (Doxylamine)?

Leave a review
Side effects
18possible side effects
  • Headache
    42%
  • Dizziness
    9%
  • Nausea
    8%
  • Asthenia
    7%
  • Abdominal Pain
    6%
  • Somnolence
    6%
  • Amnesia
    4%
  • Dysmenorrhea
    4%
  • Paresthesia
    3%
  • Eye pain
    3%
  • Malaise
    2%
  • Anorexia
    2%
  • Depersonalization
    2%
  • Hypesthesia
    2%
  • Tremor
    2%
  • Abnormal Vision
    2%
  • Hyperacusis
    2%
  • Parosmia
    2%
See more detailed side effects
The Unisom Sleeptabs (Doxylamine) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Dependence and withdrawal
    • Continuous use for 2 weeks or more
  • Driving impairment
    • Alcohol
    • Taking other medicines that make you less alert
    • Less than 7 hours of sleep
  • Abnormal thoughts
    • Undiagnosed psychiatric conditions
  • Sleep driving
    • Taking with alcohol or drugs
  • Serious allergic reactions
  • Risk to fetus
    • Women of childbearing age
    • Breast-feeding
See more detailed risks and warnings
  • Overdosage
    • Using other drugs with similar ingredients
  • Increased side effects
    • Age 65 years or older
  • Driving impairment
    • Taking with alcohol
    • Taking other medicines that make you less alert
  • Hyperactivity
    • Children age 6 years or younger
  • Trouble urinating
    • Enlarged prostate
    • History of bladder problems
  • Vision changes
    • Glaucoma
  • Breastfeeding
    • Nursing mothers
See more detailed risks and warnings