Persona Nutrition
good night icon

The Good
Night Guide

Your doctor-designed
roadmap to restful sleep

Putting restful sleep in reach

Ask any doctor how to improve your health, and they’ll point to five basic strategies: Eat well; exercise; minimize stress; avoid tobacco and get more sleep. When it comes to that last one—sleep—it’s hard to overstate the importance. But for too many of us, regular, restful slumber feels out of reach; almost one in three American adults say they don’t get the recommended seven hours12. The impact on their health can be severe. If you’re among those who have trouble sleeping, you know how agonizing it can be: You lie in bed, but sleep doesn’t come. Or you snatch a few hours only to wake feeling drained. This guide aims to change that by explaining a little about how sleep works and drawing on peer-reviewed science to give you practical pointers for bringing those precious Z’s back in reach.

Putting restful sleep in reach

Sleep: a full-body tune-up

A good night’s rest does more than improve your energy. Those hours unconscious give your body a chance to recalibrate a host of systems that are vital to your day-to-day functioning. It’s like a free nightly tune-up for your body and mind—skip it (or cut it short) and it won’t be long before you start to misfire. This system-wide impact means sleep’s benefits are numerous, varied—and in some cases surprising:

  • Sleep can help you manage your weight3 by regulating hormones that affect appetite4, cravings5 and metabolism6;
  • It supports your heart health7 by helping you manage your blood pressure and some natural chemicals linked to inflammation;
  • It can improve your mood8, by helping you manage the psychological symptoms associated with sleep deprivation;
  • It can support your memory9 by enabling the transfer of memories to your brain cortex for permanent storage (a process that makes room for new ones);
  • It can make you feel smarter10 by improving your ability to concentrate and problem-solve;
  • It can help protect you from illness11 by enabling your immune system to build the tools it needs to fight off infection.

And that’s just to name a few.

Sleep Guide Banner

12 steps to better sleep

When it comes to your health, it’s hard to overstate the importance of sleep. A good night’s rest can boost your memory1, strengthen your immune system2, support your heart health3, improve your mood4—even help manage your weight5. But for too many of us, regular, restful slumber feels out of reach. This doctor-designed guide aims to change that with a few practical pointers for catching those precious Z’s.

Step 1


Find time during the day for regular, moderate exercise—a walk, a jog, a bike ride or some other physical activity—and to do it well ahead of bedtime. You should find you get to sleep faster, stay asleep longer and have more energy in your waking hours6,7.

Step 2

Get outside when the sun’s up

Get your body clock back on schedule by exposing yourself to bright light during the day—either by going outside or, if that’s not possible, investing in a bright artificial light designed for that purpose. It can make a big difference at bedtime8,9.

Step 3

Manage screen time

The blueish light emitted by screens tends to trigger your body’s wake cycle, meaning it gets in the way of sleep when you absorb it too close to bedtime10. To get your body ready for rest, turn off your phone, your TV and your other screens at least two hours before bed.

Step 4

Optimize your bedroom

Keep your bedroom dark, quiet11 and free from disruptive electronic devices. And be sure to select a temperature that feels right for you. A room at the wrong temperature—especially one that’s too warm12—can get in the way of good rest.

Step 5

Stick to a schedule

Good-quality sleep isn’t just about duration; it’s also about regularity13. To improve your sleep, try to get to bed the same time every night and up at the same time every morning—including weekends. Do this for long enough, and you may find you no longer need an alarm.

Step 6

Cut the caffeine early

Caffeine can have a significant impact on your system for as much as six hours after you consume it14. To ensure you get a good night’s sleep, avoid drinking tea, coffee and other caffeinated beverages after about 4pm.

Step 7

Limit alcohol

Even small amounts of alcohol can interfere with natural sleep hormones15 and trigger symptoms like snoring, sleep apnea and sleep disruption16. To prevent this, keep your alcohol consumption moderate, and try not to drink close to bedtime.

Step 8

Curb water in the evening

It’s important to stay hydrated during the day, but drinking water too late in the evening can disrupt your sleep by forcing you to get up to urinate17. To avoid this, cut down your liquids in the last couple of hours before bed.

Step 9

Eat early, eat well

Aim to finish your dinner at least three hours before bed—and keep late-night snacking to a minimum. If you really need to eat near bedtime, go for something small, low-sugar and nutrient-dense18 like some plain yogurt, a handful of berries or a few nuts.

Step 10

Check your medications

Certain types of drugs, including antihistamines, corticosteroids, antihypertensives and anti- depressants19 can make falling asleep and staying asleep difficult. Check the info that comes with your medications to be sure sleep disruption isn’t a side effect. If it is, talk with your doctor or pharmacist about alternatives.

Step 11

Avoid sleeping pills

Many prescription and over-the-counter sleep aids contain antihistamines that can cause you to wake in the night. Worse, long-term, regular use of sleep aids can contribute to cognitive decline. If you feel a pill is a must, consider melatonin20—a sleep hormone you produce naturally in your body. In some countries, it requires a prescription, so you may need to talk with your doctor.

Step 12

Be smart with your supplements

The negative impact of some medications can be heightened when they interact with certain supplements, especially if those supplements contain caffeine. Avoid this hazard by checking with your doctor or by taking the Persona Assessment.

Guide to Sound Slumber

You can also look into sleep supplement regimens built around natural ingredients. Persona’s multi-step Sound Slumber program is a great example. It harnesses the natural benefits of melatonin and Herbal Rest—a blend of magnesium citrate, L-theanine and hops flower extract—to help support your sleep over time:

Phase 1

Orders 1–3:

3mg Melatonin + Herbal Rest

3mg Melatonin +  Herbal Rest
Phase 1

Orders 4:

500mcg Melatonin + Herbal Rest

500mcg Melatonin + Herbal Rest
Phase 1

Orders 5:

Herbal Rest

Herbal Rest

If you don’t want to take melatonin, or if you live in a country where it’s only available by prescription, you can try Persona’s plant-based sleep formula, made from valerian, passionflower and lavender.

Learn more

About Persona

With personalized supplements and one-on-one expert advice, Persona provides a convenient, long-term nutrition solution tailored precisely to your needs.

Take Persona’s FREE assessment

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About Persona

Our Medical Advisory Board

Michael Roizen, MD

Michael Roizen, MD


Tamara Bernadot

Tamara Bernadot

Chief Nutrition Officer

Lou Malinow, MD

Lou Malinow, MD

Harry Oken, MD

Harry Oken, MD

Carielle Nikkel, MS, RDN

Carielle Nikkel, MS, RDN

VP of Nutrition Support

Barry Lance, MD

Barry Lance, MD

Elizabeth Somer, RD, MA

Elizabeth Somer, RD, MA

Robin West, MD

Robin West, MD

Philip Schauer, MD

Philip Schauer, MD

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