Sonata vs. Restoril

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

Key Takeaways

  • Both Sonata and Restoril are Schedule IV controlled substances approved only for short-term insomnia, not for long-term nightly use.

  • Sonata's very short half-life allows flexible dosing later in the night, while Restoril lasts longer and carries a heavier next-day sedation risk.

  • Restoril carries an added boxed warning for dangerous interactions with opioids, while Sonata's boxed warning centers on complex sleep behaviors like sleep-walking.

Sonata vs. Restoril Drug Summary

Sonata

Sonata (zaleplon) is a nonbenzodiazepine sedative-hypnotic used for short-term treatment of insomnia in adults. It comes as an oral capsule taken once nightly at bedtime, and its very short half-life means it can even be taken in the middle of the night if at least four hours of sleep time remain.

Restoril

Restoril (temazepam) is a benzodiazepine hypnotic used for short-term treatment of insomnia, typically no more than 7 to 10 days. It is taken as an oral capsule once daily at bedtime, with dosing that ranges from a starting 7.5 mg up to a maximum 30 mg depending on response and tolerability.

Sonata vs. Restoril Side Effects

Sonata

Most common
Headache (up to 28%)
Nausea (up to 7%)
Dizziness (up to 7%)
Somnolence (up to 5%)

Restoril

Most common
Drowsiness (up to 9.1%)
Headache (up to 8.5%)
Fatigue (up to 4.8%)
Nervousness (up to 4.6%)

Sonata vs. Restoril Dosage

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

Restoril

Dosage
Dosage Table
STAGE DOSE WHEN
Starting dose 7.5 mg once daily At the start
Maximum dose 30 mg once daily If needed
Dose changes 3 increases As tolerated

Sonata vs. Restoril Indications

Sonata

Sonata is FDA-approved for short-term treatment of insomnia in adults who have trouble falling asleep. It is not approved for long-term nightly use or for anyone under 18. Its short duration of action makes it best suited for sleep-onset difficulty rather than staying asleep through the night.

  • Approved for adults with sleep-onset insomnia

  • Not approved for chronic, nightly use

  • Not approved for patients under 18

  • Can be taken mid-night if 4+ hours of sleep remain

Restoril

Restoril is FDA-approved for short-term treatment of insomnia, generally limited to 7 to 10 days of use. It is not approved for anxiety disorders or for routine use beyond that window. Its longer duration of action can help with both falling asleep and staying asleep.

  • Approved for short-term insomnia treatment

  • Not approved for anxiety disorders

  • Not approved for routine use beyond 7-10 days

  • Longer duration may help with sleep maintenance

Sonata vs. Restoril Pros and Cons

Sonata

Sonata's ultra-short half-life limits next-day grogginess for many patients and allows flexible dosing later in the night. It is metabolized differently than most CNS depressants, leading to fewer drug interactions, though it still carries a boxed warning for complex sleep behaviors.

Pros

  • Very short half-life means less next-day sedation for many

  • Can be taken mid-night if 4+ hours of sleep remain

  • Fewer drug interactions due to non-CYP metabolism

Cons

  • Contains tartrazine dye, a concern for allergy-prone patients

  • Less effective for staying asleep than for falling asleep

  • Still a controlled substance with abuse/dependence potential

Restoril

Restoril's longer duration of action can help patients who wake frequently overnight, but it also raises the risk of lingering next-day impairment. It carries boxed warnings for both abuse and addiction risk and for dangerous interactions with opioids, and its list price runs far higher than generic Sonata.

Pros

  • Longer duration may help with staying asleep overnight

  • Established option with decades of clinical use since 1981

  • Available in a wider range of dose strengths for titration

Cons

  • Higher risk of next-day sedation given longer half-life

  • Boxed warning for dangerous interactions with opioids

  • Contraindicated in pregnancy due to fetal harm risk

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