
Tieflings are a race of planetouched humanoids, primarily human in ancestry but with blood ties to a powerful evil extraplanar being. They have a reputation for being wicked, cruel, and criminal, but not all tieflings are evil. Tieflings are similar in weight and height to humans, maturing at the same rate and tending to live a few years longer. They possess darkvision and resistance to fire damage, and can speak Common and Infernal. Tieflings need sleep, unless they have a specific ability that grants them an ability beyond what is normal for their race.
| Characteristics | Values |
|---|---|
| Sleep | Yes |
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What You'll Learn

Do Tieflings need to sleep?
Tieflings are primarily human in ancestry, but they draw part of their bloodline from a powerful evil extraplanar being. They are a race of planetouched humanoids.
Tieflings need sleep. However, one source mentions a tiefling called Tenosh who does not need to sleep. This is an exception, not the rule.
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What are the consequences of not sleeping?
Tieflings are a race of planetouched humanoids in the Dungeons & Dragons (D&D) universe. They are primarily human in ancestry but draw part of their bloodline from a powerful evil extraplanar being. While they do need to sleep, some tieflings have been known to possess unique abilities, such as immunity to sleep. For example, Tenosh, a tiefling with the power to generate cold from her hand, climb surfaces easily, and forgo sleep.
Now, onto the consequences of not sleeping. Sleep is essential for the body and mind to function optimally. Sleep deprivation can lead to a host of physical and mental health issues. Here are some of the key consequences of not sleeping:
- Cognitive Impairment: Sleep helps in consolidating memories and enhancing cognitive function. Lack of sleep can lead to difficulties with concentration, memory, and problem-solving abilities. It can also impair judgment and decision-making skills.
- Mood Disorders: Sleep plays a crucial role in regulating mood and emotional well-being. Sleep deprivation can lead to irritability, anxiety, depression, and increased risk of developing mood disorders such as bipolar disorder.
- Weakened Immune System: Sleep is vital for the proper functioning of the immune system. During sleep, the body produces protective cytokines, a type of protein that targets infection and inflammation. Sleep deprivation can weaken the immune system, making individuals more susceptible to illnesses and infections.
- Cardiovascular Problems: Sleep helps regulate blood pressure and heart function. Prolonged sleep deprivation can increase the risk of cardiovascular issues, including high blood pressure, irregular heartbeats, and an increased risk of heart disease and stroke.
- Weight Gain: Sleep plays a role in regulating hormones that control hunger and appetite. Sleep deprivation can disrupt these hormones, leading to increased appetite and cravings for high-calorie, high-fat foods. This can contribute to weight gain and obesity.
- Decreased Performance: Sleep is essential for optimal physical and mental performance. Lack of sleep can lead to decreased reaction time, impaired motor skills, and reduced physical endurance. This can affect an individual's ability to perform daily tasks and may increase the risk of accidents.
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Can Tieflings hide abilities from the Dungeon Master?
Tieflings are a race of planetouched humanoids in the Dungeons & Dragons (D&D) fantasy role-playing game. They are primarily human in ancestry but draw part of their bloodline from a powerful evil extraplanar being.
In the game, the Dungeon Master (DM) oversees the game and is responsible for narrating events, arbitrating rules, and maintaining order. Players must disclose their character's abilities to the DM, who cannot be kept in the dark about a character's abilities.
While Tieflings possess various supernatural abilities, there is no indication that they can hide their powers from the DM. In fact, one source explicitly states: "You are the DM, there should not be any mysteries from you...They are a player, you are the Game Master. They do NOT get to hide abilities from you."
If a player claims their Tiefling character has a certain ability, the DM can and should ask them to provide a source or rulebook that confirms this. This ensures that players are not cheating or misrepresenting their character's capabilities.
Therefore, while Tieflings have a range of abilities, these should not be hidden from the DM, who has the authority to verify and approve such powers.
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What are the rules for Tieflings sleeping?
Tieflings are planetouched humanoids, primarily human in ancestry but with a touch of powerful evil extraplanar being in their bloodline. They are similar to humans in many ways, including their need for sleep.
Tieflings need to sleep, just like humans, and they do not possess any special abilities that would allow them to stay awake indefinitely without suffering any consequences. However, they do possess some supernatural abilities, such as darkvision, fire resistance, and the ability to innately cast certain spells. But sleep deprivation is not one of the challenges they can overcome with their infernal powers.
If a player claims that their tiefling character does not need to sleep, the Dungeon Master (DM) should ask them to provide a source for this information. It is essential for the DM to be aware of their players' character abilities and to review their character sheets to prevent any misunderstandings or intentional rule-breaking.
While tieflings themselves do not possess any sleep-related abilities, some other races in the Dungeons & Dragons universe have unique sleep patterns. For example, full-blooded Elves can enter a trance-like state and remain conscious while resting, and Warforged can enter a low-power sentry mode. Additionally, certain subclasses or invocations, such as the Aspect of the Moon invocation for Warlocks, can grant characters the ability to forego sleep.
In conclusion, tieflings do need sleep, and any claims to the contrary should be verified by the DM to ensure a fair and balanced game.
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How do you deal with a player who says their Tiefling doesn't need to sleep?
Dealing with a player who says their Tiefling doesn't need to sleep can be tricky, but there are a few steps you can take to handle the situation effectively:
- Firstly, ask the player why their Tiefling doesn't need to sleep and what rule or ability allows for this. It is important that, as the Dungeon Master (DM), you understand the mechanics and abilities of all the player characters in your game. If the player is correct and you missed this detail, thank them for bringing it to your attention and adjust the game accordingly.
- If the player cannot provide a valid reason for their Tiefling not needing sleep, politely but firmly inform them that Tieflings do, in fact, require sleep like most other races in the game. Provide them with the relevant rules from the game's source material to back up your statement.
- In the event that the player is hiding their character's abilities or is attempting to cheat, address this issue directly and privately. Explain that hiding mechanical information from the DM is not acceptable and ask them to correct their character sheet or provide the relevant rules that allow for their Tiefling to forgo sleep.
- If the player continues to insist that their Tiefling doesn't need to sleep without providing a valid reason, you have a few options:
- Impose consequences for lack of sleep, such as exhaustion or reduced effectiveness in certain tasks.
- Work with the player to find a narrative reason for their Tiefling's unique trait, such as a magical item or a unique lineage.
- Ultimately, if the player refuses to cooperate and is disrupting the game, you may need to remove them from the group, but this should be a last resort.
- Remember, communication is key. Talk to your player outside of the game and try to understand their reasoning. Be open to collaboration and work together to find a solution that is fair and enjoyable for everyone.
By following these steps, you can handle the situation respectfully and ensure that everyone is on the same page regarding the rules and mechanics of the game.
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Frequently asked questions
Yes, Tieflings need to sleep.
All races need some sort of rest.
Tieflings that don't sleep gain a stack of exhaustion for every 24 hours without rest.
Elves and Warforged.
Yes, Bards need to sleep.

























