Invest in rest! Amazon's bestselling blackout curtains are on sale — from $9 a panel!

There are any number of reasons someone might want a set of blackout curtains. Maybe they work the graveyard shift and need tomb-like darkness during their daytime slumber. Maybe their bedroom windows face the east and the too-early morning sun. Maybe they periodically get the glummies and need to take to bed in the middle of the day. If any of these (or countless other) scenarios apply to you, we've got good news: Amazon's bestselling curtains are on sale right now, and you don't want to miss this deal. While prices may vary by size and color, they're all discounted, saving you even more on what were already tres affordable curtains.

Lemomo

Lemomo Blackout Curtains, Set of 2

$18$24Save $6

Um, just $9 a panel for the 52" x 84" size in black? Count us in.

$18 at Amazon

LEMOMO

Thermal Blackout Curtains, Set of 2

$22$26Save $4

This price is for the 38" x 84' variety. These blackouts are available in 25 beautiful hues! RIght now you're gazing on the inviting Sea Teal.

$22 at Amazon

Why are they such a bestseller, you ask? Over 26,000 perfect-scoring reviewers will tell you.

Said one, "They’re thick, solid, soft to the touch, and when installed from ceiling to floor, they do a superb job of blocking even the brightest sunshine." Another touted, "Has helped us sleep so much better even throughout the night!"

These blackout curtains impede 85–99% light and UV rays, the deeper hues darkening the most. If you are a sensitive sleeper, a chronic hangover victim or a vampire, these just may change your life; they'll certainly improve it. They provide maximum privacy, versus non-blackouts, making them ideal for bedrooms and living areas, keeping you safe in your cocoon, free from prying eyes, and dampening exterior noise.

Want another reason to grab a set of these curtains? They're energy-efficient. Homes lose heat and air conditioning through drafty windows. The thick triple-weave poly on these babies acts as a thermal insulator, saving you energy and, therefore, money. They'll keep you extra toasty in the winter and cooler in the summer months.

LEMOMO

Thermal Blackout Curtains, Set of 2

$21$33Save $12

This sunny yellow set is 52 x 54 inches. Shorter sizes are ideal for bathrooms, laundry rooms and kitchens.

$21 at Amazon

With 25 colorways and 15 different sizes, you're sure to find the perfect fit for your windows. The Lemomo curtains wash easily in cold water for easy maintenance. Their grommet top allows for smooth, opening and closing, and headache-free hanging.

(Some rules of thumb when choosing size: Hang your drapery six inches above the window molding. If your window is wide, go for the double width if available in your size, or double up on panels.)

This thrilled user said, "These are perfect. I like my room to be pitch-black when I sleep. These do the job. Also have a drafty window, and they keep the air out. I have purchased the burgundy and the purple.... I am very happy with my purchase."

If you have Amazon Prime, you’ll get free shipping, of course. Not yet a member? No problem. You can sign up for your free 30-day trial here. (And by the way, those without Prime still get free shipping on orders of $25 or more.)

The reviews quoted above reflect the most recent versions at the time of publication.

Looking for more great Amazon home deals? Check these out:

Vacuums

Kitchen

T-fal

T-fal Nonstick Dishwasher Safe Cookware Lid Fry Pan

$30$55Save $25

This workhorse pan is made of hard anodized aluminum to retain heat. It also has a much stronger protective layer than the original metal, making it corrosion and scratch resistant and non-reactive to acidic foods.

$30 at Amazon

T-fal

T-fal Ultimate Hard Anodized Nonstick 14-inch Wok

$38$60Save $22

If you're looking for a tough wok, look no further than the T-fal. The durable nonstick material is hard Titanium reinforced, scratch resistant and toxin-free to stand up to everyday use and keep cleanup a breeze.

$38 at Amazon

Osulloc

Osulloc Premium Tea Collection Gift Set — 40 count, 8 flavors

$25$40Save $15

Like to have gifts on hand for whatever comes your way? Stock on this gorgeous tea set packed with eight yummy flavors: Honey Pear, Green Tea, Camellia Flower, Tangerine, Canola Honey, Orchid Green Tea, Sweet bouquet and Halla fermented tea.

$25 at Amazon

Auto

Bedding and home

Amazon

Gabrylly Ergonomic Mesh Office Chair

$216$330Save $114

Today only! This office chair is packed with must-have features to help you work in comfort.

$216 at Amazon

RENPHO

Renpho Air Purifier

$48$60Save $12

This powerful little air purifier helps to prevent the accumulation of dust on surfaces and can also trap airborne and even pet smells, perfect for keeping bedroom spaces breathable.

$48 at Amazon

Storage and Organization