by Quick answer: Buy direct from Zinus and you get a 100-night trial (100 days from delivery). To return, the mattress must be in good condition with proof of purchase; Zinus's regional pages note that return-trip and admin charges may apply, though no fixed amount is published publicly. A 10-year limited warranty covers manufacturing defects. Buy on Amazon or at another retailer instead, and their return window applies — Amazon's is typically 30 days for opened items, not 100 nights. Where you bought it decides everything.
By the MattressNut editorial team · Updated June 2026
Zinus Direct: The 100-Night Trial
Zinus's 100-night sleep trial runs from the date of delivery and applies only to purchases made on Zinus.com itself. You sleep on it, and if the mattress is not right, you contact Zinus to start a return. The mattress needs to be in good condition, and you need proof of purchase. Zinus has no brick-and-mortar stores, so this trial is specific to their own channel.
What to expect when you return: Zinus's regional pages note that "return trip and admin charges" may apply. A precise amount is not published on their main site as a flat fee, so check the Zinus returns page at the time of purchase — or ask customer service directly before committing. This detail matters more than the headline trial length.
What the trial requires
- Purchased directly from Zinus.com (not Amazon, not Walmart, not a third-party seller)
- Return initiated within 100 days of delivery
- Mattress in good condition (no damage beyond normal trial use)
- Proof of purchase available
Amazon, Walmart, and Other Retailers: Different Rules
Most Zinus mattresses are bought through Amazon or Walmart, not Zinus directly. That matters because the retailer's return policy governs, not Zinus's 100-night trial.
| Where you bought it | Return window (approximate) | Notes |
|---|---|---|
| Zinus.com (direct) | 100 nights from delivery | Return/admin charges may apply; check Zinus's returns page |
| Amazon (opened) | ~30 days from delivery | Amazon's standard mattress return window; varies by listing |
| Amazon (unopened) | Up to 90 days | Varies; always check the specific listing |
| Walmart.com | 90 days (in-store); online varies | Walmart's standard return policy; check at time of purchase |
| Other retailers | Retailer-dependent | Read the listing's return section before buying |
The classic mistake is assuming a brand's trial transfers to the marketplace. It almost never does. An opened mattress on Amazon typically falls under a much shorter window, and some third-party sellers add restocking fees or require you to arrange your own return shipping, which for a mattress can cost $100 or more.
The 10-Year "Worry Free" Warranty
Separate from the return trial, Zinus offers a 10-year limited warranty called the "Worry Free" warranty. It covers manufacturing defects: sagging beyond a documented threshold, defects in the foam or materials under normal use, and similar production failures. What it does not cover: normal softening over time, comfort preferences, physical damage, or stains. The warranty also typically requires that the mattress was used with adequate support — check the specifics in Zinus's warranty documentation, since a damaged or unsupported mattress can void the claim.
The warranty and the return trial are two different things. You can use the trial within 100 days; the warranty covers defects for 10 years after purchase.
How Saatva Handles This Differently
Zinus's direct policy is reasonable, but the Amazon-channel ambiguity creates real friction for buyers who did not read the fine print. Saatva takes a different approach: it sells direct only, so there is one policy for every customer. The trial is 365 nights, the return fee is a flat $99 (no guessing), and delivery is white-glove with setup included. For a more detailed look at what that experience costs and involves, see our full Saatva mattress review.
See Saatva's 365-night trial and $99 return fee →
Frequently Asked Questions
Does Zinus offer a 100-night free trial?
Zinus offers a 100-night trial (100 days from delivery) on purchases made directly from Zinus.com. However, "free" is not guaranteed: Zinus's regional pages note that return-trip and admin charges may apply, and no fixed public amount is posted. Check the returns page and, if possible, ask Zinus customer service for the current fee before buying. The trial does not apply to Amazon, Walmart, or other third-party purchases.
Can I return a Zinus mattress bought on Amazon?
You can attempt a return, but Amazon's own return policy applies, not Zinus's 100-night trial. For an opened mattress, Amazon's typical window is around 30 days from delivery. After that window closes, you would need to pursue a warranty claim instead if you have a defect — and comfort preferences do not qualify as a defect. Check the specific Amazon listing's return terms at checkout; they vary by seller and fulfillment type.
Is there a restocking fee for returning a Zinus mattress?
For direct Zinus.com returns, the brand's regional pages reference "return trip and admin charges" without specifying a fixed amount. The figure is not prominently displayed on Zinus's main site, so check their official returns page or contact customer service before purchase to confirm current terms. For Amazon or third-party returns, restocking fees depend entirely on the individual seller — some charge 15 to 20% or more.
How long is the Zinus warranty?
Zinus covers its mattresses under a 10-year limited "Worry Free" warranty. It applies to manufacturing defects such as material failures or sagging beyond specified thresholds under normal use. It does not cover comfort changes that occur within normal material softening, physical damage, staining, or use without proper support. You will need proof of purchase to file a claim.
How do I start a Zinus mattress return?
If you bought from Zinus.com, go to Zinus's official returns or support page and initiate the return within your 100-day window. Have your order confirmation ready. If you bought from Amazon, use Amazon's Returns Center and select the mattress order — do not contact Zinus directly for an Amazon purchase, because Zinus's trial does not apply to those transactions. For any other retailer, contact that retailer's customer service and follow their process.
What happens if my Zinus mattress sags after the trial ends?
If sagging develops after the 100-night trial, it becomes a warranty question rather than a return. The 10-year Worry Free warranty covers sagging beyond a documented threshold caused by a manufacturing defect. You will need to provide photos, your order details, and a description of the issue. Normal softening that does not exceed the warranty threshold is not covered. Contact Zinus's warranty support directly and ask what measurements or documentation they require before you start the process.
Bottom line: Zinus's 100-night trial is real, but it only applies to direct purchases. Buy through Amazon or another retailer and you are under that seller's rules, which are usually shorter and potentially involve fees. Confirm return and admin charges with Zinus before buying direct, and keep proof of purchase regardless of where you shop.