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DrugPrice

Dayvigo

Lemborexant

Generic availableSleep Disordersby Eisai
$185.00
avg cost per claim
+42.6% year-over-year
Reviewed by DrugPrice Editorial Team · Updated
$345.0M
Medicare Spending
1,860,000
Total Claims
224,000
Beneficiaries
$1,540.00
Annual Cost/Patient

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Why Dayvigo Costs $185.00 Per Claim

Dayvigo (Lemborexant) is used to treat sleep disorders. According to CMS Medicare Part D spending data, the program spent $345.0M on this drug, covering 224,000 beneficiaries across 1,860,000 claims.

A generic version of this drug is available, which means lower-cost alternatives exist. Patients should ask their pharmacist about generic Lemborexant or talk to their doctor about therapeutic alternatives that may cost less.

Spending on Dayvigo increased by +42.6% year-over-year, driven by increased utilization among Medicare beneficiaries.

Price Breakdown

Avg cost per claim (30-day)$185.00
Avg annual cost per patient$1,540.00
Total Medicare spending$345.0M
Total claims1,860,000
Beneficiaries224,000

Drug Details

Brand Name
Dayvigo
Generic Name
Lemborexant
Active Ingredient
Lemborexant
Manufacturer
Eisai
Dosage Form
N/A
Route
N/A
Condition
Sleep Disorders
FDA Application
BLA125057

Frequently Asked Questions

Dayvigo (Lemborexant) costs an average of $185.00 per claim based on Medicare Part D data. The estimated annual cost per patient is $1,540.00. Actual out-of-pocket costs depend on your insurance plan and pharmacy.

Dayvigo averages $185.00 per Medicare Part D claim — roughly equivalent to a 30-day supply for most patients on standard dosing. Without insurance, expect higher cash-pay prices unless you use a discount program (GoodRx, SingleCare, manufacturer copay assistance). With Medicare or commercial insurance, your out-of-pocket cost depends on your plan's formulary tier and deductible status.

A typical 30-day supply of Dayvigo reflects in our Medicare Part D average of $185.00 per claim. Switching to generic Lemborexant typically reduces cost by 80-95%. Cash-pay prices vary by pharmacy — comparison shopping (or using GoodRx coupons) often saves 20-50% off the listed price.

Most commercial insurance plans and Medicare Part D plans cover Dayvigo, but coverage varies by formulary tier. Insurers typically prefer generic Lemborexant (Tier 1, lowest copay) over brand-name Dayvigo (Tier 2-3, higher copay). Some plans require prior authorization or step therapy. Check your plan's formulary or call the number on your insurance card to confirm.

Several options for cash-pay patients: (1) Manufacturer patient assistance programs — the manufacturer may offer copay cards or free-drug programs for income-qualified patients; (2) Discount programs like GoodRx, SingleCare, or RxSaver typically save 20-80% off the cash price; (3) Mark Cuban's Cost Plus Drugs offers transparent generic pricing if a generic is available; (4) 340B-eligible community health centers offer drugs at federally negotiated discounts. Switching to generic Lemborexant is the single biggest cost reducer if your prescriber is open to it.

Brand-name Dayvigo costs more than generic Lemborexant primarily for marketing reasons — patients can request the brand from their doctor even when a chemically identical generic exists. The active ingredient and clinical effect are the same.

Yes, a generic version of Dayvigo (Lemborexant) is available. Generic medications typically cost 80-95% less than brand-name drugs. Ask your pharmacist about generic Lemborexant.

Medicare Part D spent $345.0M on Dayvigo, covering 224,000 beneficiaries across 1,860,000 claims. This makes it one of the tracked drugs in the Medicare spending dashboard.

Ask your pharmacist about generic Lemborexant, which is typically much cheaper. You can also compare prices at different pharmacies, use prescription discount programs (GoodRx, SingleCare, Cost Plus Drugs), or ask your doctor about therapeutic alternatives in the same drug class.

Reading Dayvigo's Medicare Pricing

At $185.00 per claim, Dayvigo is a mid-priced medication — more than a bargain generic but well short of a specialty product. Drugs in this range are often brands with partial competition, recently-genericized molecules still carrying brand pricing, or moderately complex formulations. The cost is real but rarely catastrophic for sleep disorders, and a same-class or generic substitute frequently closes most of the gap.

Dayvigo accounts for $345.0M in Medicare Part D spending — a large line item built from 1,860,000 claims across 224,000 beneficiaries. Whether that total is driven more by price or by volume is the useful question: a high $185.00 average claim cost means price is the lever, a modest one means utilization is. Either way, a drug at this spending level is firmly on plan formulary committees' radar.

Because a generic version of Lemborexant is on the market, the realistic savings path for Dayvigo is straightforward: the generic is therapeutically equivalent and typically costs a fraction of the brand. The friction is usually prescribing habit rather than availability — patients can ask the prescriber to write for the generic, and most plans already steer to it with a lower copay tier. That single switch usually beats coupons, assistance programs, and pharmacy shopping combined.

Every figure here comes from the CMS Medicare Part D Drug Spending dashboard, which reports what the program paid — not the cash price at a retail pharmacy and not a patient's out-of-pocket cost. List prices also overstate the real economics: manufacturers pay confidential rebates to pharmacy benefit managers, so the net price plans actually pay is often well below the sticker. Treat $185.00 as a consistent Medicare-program benchmark for Dayvigo, useful for comparing drugs on the same basis, rather than the price any one patient will see at the counter.

Cost data reflects Medicare Part D spending and may not represent retail pharmacy prices. Average cost per claim represents the total drug cost (not patient out-of-pocket) divided by total claims.