How long Do Betta Fish Sleep, Learn When and Why They Sleep

How long Do Betta Fish Sleep, Learn When and Why They Sleep

Sleep is an essential part of life for living creatures on this planet, it helps reset the fatigue of the body and refresh the brain’s functions. This applies to sea creatures also, regardless of whether they are in the wild or living in your aquarium, they will require a night’s sleep, that is the ultimate fact.

Does betta fish sleep a lot?

Yes, Betta fish do sleep, this is where the Betta Fishes comes in, considering their rather active behavior, their sleep pattern mostly matches that of a normal human as they usually sleep at nights and might even sleep in the day granted that they are tired enough.

Now the way they sleep would concern an owner for a part due to how the Betta exactly do that. They simply stop moving at a good place, as they don’t have eyelids, one might simply get scared that they have forever lost their inimitably beautiful fish to the icy grips of nothingness that is death.

That is why this article will mainly focus on this aspect of the Betta fishes to clear away most of the fears an owner will face with their rather sleepy Betta simply rolling over at whatever convenient place they could find and just giving in to the fatigue.

How long does the Betta Fish sleep

Betta fish sleep from 12 to 16 hours. It is often quite a sight to see your Betta fish sleeping, for they sleep almost in a way rather similar to how a human would sleep. Their usual period of sleeping usually consists of around 12 to 14 or 16 hours of sleep.

Bettas are inherently combative creatures, which is why they may often experience bouts of sleepiness and take naps even during the day.

Although of them may not behave similarly as some Bettas could turn out to be immensely lazy, could have health issues like the “Swim Bladder Disease” which will often contribute to their poor sleep patterns and cause more trouble than usual.

But besides that, most Betta fishes who are healthy will sleep around the given period of 12-14 hours and on some more active days, take naps to replenish their energy. 

The important part you should note is that; they are rather reactive, even coming near a Betta’s tank while they are sleeping would wake them up immediately and make them scurry away for a new resting place.

So take good care to not unintentionally disturb them while they are taking a much-needed rest. Don’t make it a habit to worry about them every time you see them not moving during the day as they could be sleeping for a bit.

How do Betta Fish sleep

Betta Fishes have sleeping habits that are rather similar to humans as they usually could sleep anywhere, the catch is that they are always alerted about their surroundings. This results in them being notoriously light sleepers, being able to react to the slightest of sound.

They do have a variety of interesting patterns for sleeping, if they are able to find themselves a makeshift bed, they could even sleep on their sides.

Although that one is a rarity reserved for specific circumstances.  As a species that thrives on survival and being fishes on top of that, they can slightly dim out their skin color as they sleep to better camouflage themselves in case a predator happens to stumble upon them. 

They are also able to keep their eyes open due to having no eyelids, all of this could lead to a new first-time owner getting a shock as to whether their Betta is actually dead or not.

Bettas usually figure out the time for sleep due to their natural body clock, they can also do that quickly if the owner turns the lights off at night. This can help the Betta fish sleep peacefully.

Even if they are not able to sleep at night due to any particular reason like the lights being left on or the other, they will simply try to sleep or take naps during the daytime. After all, Bettas are comfortable with any sort of setting, they could simply float up while sleeping even.

When do Betta Fish sleep

Betta Fishes usually follow a pattern similar to that of the humans, they sleep at nights in total darkness. Betta fishes could also start taking naps from time to time if they are tired enough during the day, this is just a way for them to keep themselves going without falling victim to sleep deprivation just like most bipedal mammals.

Betta fishes do can sleep with the lights on in the form of napping, that is why it is important for an owner keeping their Betta in an aquarium to make sure that they turn off the lights.

Although some Betta fishes may turn out to be simply lazy, which would result in them taking frequent naps during the day and giving their owners the time of their lives by making them think that they essentially “died”. 

Other reasons for why they would sleep during daytime could certainly because they are sick in some way, although they would be able to express their sickness through various behavioral changes such as not engaging in activities like they used to and refusing to eat their food.

For a normal Betta fish, sleeping at night along with the lights turned off will be more than sufficient to give them proper rest.


As you have read throughout this article, knowing about your Betta’s sleeping patterns could come in handy often if you are trying to make sure that they don’t fall victim to their sleep deprivation.

It is also important to know when your Betta is being lazy during the daytime by napping or if they are actually badly sick, neglecting either of the two could end up costing you the title of being a proud owner of the exquisite Betta fish.

Not only that, it will leave you with a feeling of utter emptiness, having lost something close to your heart.

Common FAQs: How long Do Betta Fish Sleep

How do you know if your betta fish is sleeping?

When your Betta staying in one place or any corner of the tank, Check the moment of your Betta mouth and gills to confirm if your Betta fish is sleeping or not.

Bettas can sleep in so many different positions including on their sides, at the bottom of the tank and on leaves.

They do have a variety of interesting patterns for sleeping, if they are able to find themselves a makeshift bed, they could even sleep on their sides.

Do betta fish like light when they sleep?

Betta fish need light and darkness to stay physically and mentally well. Always turn on and off your light on scheduled so that your Betta fish can get used to its light scheduled.

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