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Frequently Asked Questions

Slice up the payment on your purchase!

We have partnered with Klarna to provide you with flexible financing on purchases, so you can ease the costs and pay over time.

It’s simple and easy

When you slice up your payments with Klarna, you will know exactly how much you pay each month and in total. You’ll get an instant decision on whether you're approved with just simple information - no bank account or credit card required.

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Select "Klarna" as your payment option at checkout Enter simple information and know instantly if you’re approved Klarna will send you an email confirmation and payment reminders Complete all future Klarna purchases with just a single click Payments on Review your latest purchases and settle your monthly statement at any time by logging into your Klarna account at You can also reach Klarna anytime at

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Frequently Asked Questions

Don’t see your question here? Check out Klarna’s full FAQ page.

What is Klarna?

Klarna is a global payment solutions company that works with merchants to provide their customers the smoothest online shopping experience. Klarna is in over 70,000 online stores and has more than 60 million users globally.

What is Slice It?

Slice it is Klarna’s pay over time financing option, which is offered at the time of checkout. This affordable and highly flexible open-end line of credit is issued by WebBank in partnership with Klarna, and it allows you to pay for your purchases over time.

How does financing with Klarna work?

It’s simple! Shop at any online store that uses Klarna, and choose Slice it to pay for your purchases over time. You will know if you are approved in seconds, and then complete your purchase. You will receive an email notification of your purchase from Klarna, and can manage your account at

How does Klarna billing work?

You are billed on the 2nd day of the month following your purchase. You have until the 26th of that month to make your payment.

How can I reach Klarna?

You can reach Klarna anytime at

Many patients do not feel the stimulation at all, while others feel a mild tingling at the sponge contact sites.

CIRCADIA® works by comfortably stimulating the brain to produce serotonin, endorphins and melatonin while lowering the stress hormone cortisol, modulating the Default Mode Network and entraining a calm brainwave state. 

CIRCADIA® and the Fisher Wallace Stimulator® are identical technologically, but CIRCADIA® is defined as a general wellness device because it is intended to help people manage sleep and stress. CIRCADIA® is not intended to treat medical conditions. The Fisher Wallace Stimulator® is defined as a medical device because it is indicated to treat anxiety, insomnia and depression.

CIRCADIA® is powered by two AA batteries which typically last for six months of daily usage.

Based on over 10 years of patient monitoring and reporting associated with the Fisher Wallace Stimulator® (from which CIRCADIA® is technologically cloned), there are no long-term negative effects of using our technology.

We recommend using CIRCADIA® every day for the first 30 days. You may then continue on a daily basis, maintenance basis (3-4 times per week) or on an as-needed basis. There are no negative effects associated with abruptly ceasing its use.

Most users will feel more relaxed after 10 minutes of stimulation and will experience durable results after the first two weeks of daily use.

WebMD lists the following signs of stress:

  • Becoming easily agitated, frustrated and moody
  • Feeling overwhelmed, like you are losing control or need to take control
  • Having difficulty relaxing and quieting your mind
  • Feeling bad about yourself (low self-esteem), lonely, worthless and depressed
  • Avoiding others
  • Low energy
  • Headaches
  • Upset stomach
  • Aches, pains, and tense muscles
  • Chest pain and rapid heartbeat
  • Insomnia
  • Frequent colds and infections
  • Loss of sexual desire and/or ability
  • Nervousness and shaking, ringing in the ear
  • Cold or sweaty hands and feet
  • Excess sweating
  • Dry mouth and difficulty swallowing
  • Clenched jaw and grinding teeth

If we have an authorization on file, the device will ship within 5 - 10 business days. You may track your package via the link that is emailed to you after purchasing the device.

Less than 1% of CIRCADIA® users may experience a temporary headache, dizziness or skin irritation at the electrode sites. CIRCADIA® may be used safely in conjunction with any medication.

Have more questions? Please chat with us online or email


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