Ambien vs. Sonata

See how Ambien and Sonata compare on approved uses, dosing, side effects, and cost.

Andre Stone | MD

Medically reviewed by Andre Stone | MD, University of Pittsburgh School of Medicine on August 25th, 2026.

Key Takeaways

  • Ambien and Sonata are sedative-hypnotics used for short-term insomnia. Both can cause next-day impairment, dependence, and complex sleep behaviors such as sleepwalking or sleep-driving. They should be used only as prescribed, not combined with alcohol, and stopped with prompt medical advice if a complex sleep behavior occurs.

  • Immediate-release Ambien tablets come in 5 mg and 10 mg strengths, while Sonata capsules come in 5 mg, 10 mg, and 20 mg strengths. The appropriate dose depends on factors such as age, sex, liver function, other medicines, and the risk of next-day impairment; Sonata’s 20 mg dose is not recommended routinely.

  • Sonata may sometimes be taken after bedtime when prescribed that way, but only if at least 4 hours remain before the person must be active. Immediate-release Ambien should be taken only when 7 to 8 hours remain before planned waking. Neither medicine should be taken more than once in the same night.

Ambien vs. Sonata Drug Summary

Ambien

Ambien (zolpidem) is a non-benzodiazepine sedative-hypnotic that works on GABA-A receptors to treat short-term insomnia, specifically trouble falling asleep. It's taken as a single oral tablet at bedtime, ideally on an empty stomach for faster onset.

Sonata

Sonata (zaleplon) is a non-benzodiazepine sedative-hypnotic from a different chemical class that also treats short-term insomnia. It's taken as an oral capsule and its very short half-life means some people can take it later in the night if enough sleep time remains.

Ambien vs. Sonata Side Effects

Ambien

Most common
dizziness (up to 23.5%)
headache (up to 19%)
somnolence (up to 15%)
nausea (up to 10%)

Sonata

Most common
dizziness (up to 7%)
headache (up to 28%)
somnolence (up to 5%)
nausea (up to 7%)

Ambien vs. Sonata Dosage

Ambien

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 5 mg once nightly At the start
Maximum dose 10 mg once nightly If needed
Dose changes 1 increase As tolerated

Sonata

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 5 mg once nightly At the start
Maximum dose 20 mg once nightly If needed
Dose changes 2 increases As tolerated

Ambien vs. Sonata Indications

Ambien

Ambien is FDA-approved for short-term treatment of insomnia in adults who have trouble falling asleep. It is meant for brief use only, not for long-term nightly use, and is not approved for children.

  • Difficulty falling asleep

  • Short-term use; contact the prescriber if insomnia does not improve within 7-10 days

  • Not intended for chronic nightly use

  • Not approved for children

Sonata

Sonata is FDA-approved for short-term treatment of insomnia in adults. Its short half-life allows middle-of-the-night dosing when hours of sleep remain, and like Ambien, it isn't approved for long-term nightly use or for children.

  • Short-term insomnia in adults

  • Can dose mid-night if 4+ hrs remain

  • Not intended for chronic nightly use

  • Not approved for under 18

Ambien vs. Sonata Pros and Cons

Ambien

Ambien has been prescribed since 1992 and remains one of the most familiar sleep medications to doctors and pharmacists. Its main tradeoffs are a real risk of next-day grogginess, especially at the 10 mg dose, and the need for a full night of uninterrupted sleep after taking it.

Pros

  • Long track record since 1992

  • Simple two-dose system (5 mg or 10 mg)

  • Widely available as low-cost generic

Cons

  • Higher dizziness rate than Sonata

  • Next-day impairment risk, especially at 10 mg

  • Requires a full night of sleep after dosing

Sonata

Sonata's very short half-life sets it apart, letting some people take it in the middle of the night if at least four hours remain before they need to wake. It has fewer drug interactions than many hypnotics, but its higher headache rate and tartrazine dye content are tradeoffs worth knowing about.

Pros

  • Can be taken mid-night if hours remain

  • Fewer drug interactions (not CYP-metabolized)

  • Three dose strengths for finer adjustment

Cons

  • Highest headache rate of the two

  • Contains tartrazine, a possible allergen

  • Not recommended in severe liver impairment

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