Medication | Drug Class | Effectiveness | Sedation | Half-Life (hours) | Tolerance Potential | Notes |
Amitriptyline | Antidepressant | Sedating at low doses, good for pain/insomnia | High | ~10-50 | Low | Often used for insomnia related to pain or depression. |
Doxepin | Antidepressant | Sleep maintenance; minimal grogginess | Moderate to High | ~15 | Very Low | FDA-approved for insomnia (low doses: 3-6 mg). |
Trazodone | Antidepressant | Common off-label insomnia treatment | Moderate to High | ~7-9 | Low | Can cause morning grogginess. |
Mirtazapine | Antidepressant | Sedating at low doses | Very High | ~20-40 | Low | May cause weight gain and daytime drowsiness. |
Promethazine | Antihistamine | Sedating; strong antihistamine | High | ~10-14 | Low | More sedating than hydroxyzine; anticholinergic effects. |
Hydroxyzine | Antihistamine | Sedating; useful for anxiety/insomnia | Moderate | ~20-25 | Low | Can cause next-day drowsiness. |
Diphenhydramine | Antihistamine (OTC) | Effective but tolerance builds quickly | Moderate to High | ~4-9 | High | Best for short-term use; grogginess common. |
Doxylamine | Antihistamine (OTC) | Stronger and longer-lasting than diphen. | High | ~10 | High | Grogginess likely; tolerance develops. |
Clonidine | Alpha-2 agonist | Lowers blood pressure; sedating effect | Moderate | ~12-16 | Moderate | Often used for withdrawal symptoms; mild sedative effects. |
Guanfacine | Alpha-2 agonist | Similar to clonidine | Low | ~17 | Moderate | Used off-label for sleep in ADHD and anxiety. |
Gabapentin | Anticonvulsant; Neuropathic | Helps sleep disturbances related to nerve pain | Moderate | ~5-7 | Low | Used off-label for insomnia related to pain. |
Pregabalin | Anticonvulsant; Neuropathic | Similar to gabapentin, more potent | Moderate | ~6-7 | Low | Often used for anxiety and pain-related insomnia. |
Quviviq | DORA | Sleep onset and maintenance | Low to Moderate | ~8 | Very Low | Minimal risk of dependency or next-day drowsiness. |
Dayvigo | DORA | Similar to Quviviq, but longer-acting | Low to Moderate | ~17-19 | Low | May cause next-morning drowsiness. |
Seroquel | Antipsychotic | Sedating at low doses | High | ~6-7 | Low | Side effects limit long-term use; may cause weight gain. |
Ramelteon | Melatonin agonist | Regulates sleep-wake cycles | Very Low | ~0.3 | Very Low | Best for circadian rhythm disturbances. |
Clonazepam | Benzodiazepine | Sleep onset, anxiety-related insomnia | Moderate | ~18-50 | Moderate | Long duration; Anxiety relief; Sleep aid |
Ativan | Benzodiazepine | Sleep onset; anxiety-related insomnia | Moderate to High | ~10-20 | Moderate | Mid duration; Anxiety relief; Sedative at higher dose |
Temazepam | Benzodiazepine | Sleep onset and maintenance | Moderate to High | ~8-15 | Moderate | FDA sleep approved |
Xanax | Benzodiazepine | Sleep onset; anxiety-related insomnia | Moderate | ~11-16 | High | Rapid relief of anxiety; Sleep aid, High dependency risk |
Triazolam | Benzodiazepine | Rapid onset; short duration | High | ~1.5-5.5 | High | Short duration, Rapid onset, High dependency risk |
Sonata | Z-drug | Rapid sleep onset, short duration | Low to Moderate | ~1 | Low | Very short half life; Best for middle-of-night insomnia |
Ambien | Z-drug | Sleep onset/maintenance | High | ~2.5-3 | Moderate | Effective with short half life; sublingual for middle-of-night insomnia |
Lunesta | Z-drug | Sleep onset/maintenance | High | ~6 | Moderate | May cause next-day drowsiness; Higher risk of tolerance among Z-drugs. |
Ketamine (micro) | NMDA Receptor Antagonist | Sleep onset/maintenance | Moderate | ~2.5-3 | Low | Sublingual microdosing |