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Whether you want a full night's rest, or a playful evening outfit, it's time to turn to pajamas.

Common knowledge suggests that you should get eight hours of sleep every night for optimal performance during daytime hours. But, there's no scientific backing that there's only one style of pajamas for women that can induce sweet dreams and optimal snoozing. Instead, pajamas come in all different variations. Long sleeved or short, pants or boxers, and even slip dresses or night shirts are all viable options, depending on what makes you comfortable.

"A dress is great for a super frictionless resting experience and great for someone who enjoys a bit more glamour," suggests Ashley Merrill, founder of sleepwear label Lunya. "Short sleeves versus full sleeves is really about what temperature you run and what flatters your body best." In the midst of summer, you'll likely want to aim for fabrics that will keep you cooler—namely light cottons or silks. As you get in to winter, swap in flannel, fleece, or even cashmere to stay warm.

Great sleepwear these days isn't just about function. As many people navigate a hybrid work schedule, the rules of what hours constitute pajama time have shifted. In fact, not only can elevated sleepwear work for office hours, it's also fitting for drinks or a night out. "I’m also a big fan of separating [Lunya's] washable silk high rise pants set and wearing the parts in an outfit," says Merrill. "On an average day you can find me in the silk pants styled with a vintage band tee or a cropped top and a blazer. Wearing repurposed restwear out makes me feel rebelliously comfortable."

Day or night, shop 25 pajama sets that feel just right at any hour of the day ahead.

A classic striped pajama set is one you may just want to wear during waking hours too, especially in a cool cotton poplin.

Prefer sleeping in a slip? Araks' georgette silk style hugs your curves comfortably and is soft against the skin.

If you tend to overheat, Merrill suggests a style in Lunya's patented Cooldown Pima fabric. "It is an innovative fiber that regulates absolute and relative humidity, allowing the wearer to feel cooler and sleep better. "

For those that do all of their shopping on Amazon, Eberjay's soft cotton set is a must. "Definitely worth the splurge," writes one reviewer.

You don't have to stick to neutrals when it comes to sleepwear. This set is a playful pick.

If you've gravitated toward old, oversized tees in the past, it's time for an upgrade. This set has the same feel, but is a bit more elevated.

Skims' pajama set comes in a range of both seasonal and classic colors, so you can find the tone that's best for you.

Plaid is a classic print choice for pajamas, especially if it's a style you plan to wear through the winter.

A soft sleep dress is a great alternative to slips or matching sets. Try this style as you transition from summer to fall.

Olivia von Halle is known for making luxurious silk pajamas that are almost too cute to keep in the bedroom.

Hello, feather trim! These playful pajamas are worth breaking out at a casual summer party.

Streamline your bedroom experience—Tekla makes both pajamas and sheet sets.

A little bit preppy, a little bit playful. Try this set for warm summer sleepovers.

A hybrid between lingerie and sleepwear, a babydoll is an option for those who like to dress up a bit before bed.

Around the holidays, you want something cozy to slide into as you open presents. This fitted set is a winner.

Since this pajama set is designed with cropped pants, if you tend to struggle with a too-short hemline, you'll never have to worry about the length.

There's only one word to describe these flannel pajamas: cozy. Snuggle up to them when the AC is on high or as temperatures outside chill.

Since these pajamas come in an extra extra small, petite women won't have to worry about too much material.

This pretty pajama set has delicate lace details that will make getting ready for bed fun.

If you're looking for a pajama set worthy of a selfie or two, try Dora Larsen's top and matching bottoms.

These almost-sheer pajamas are so light you'll basically feel like you have nothing on.

Silk is a material to look out for when you want something super soft to the touch. This La Perla set will feel so luxurious.

While many slips stick to single colors, this oversized floral print is a bright alternative.

Ready to embrace full-on luxury with your sleepwear? This Gucci pajama set is a delectably fancy option.

Uniqlo is beloved for its everyday basics, but its pajama section is particularly underrated. This $30 set won't disappoint.