
Sleep is vital to health and psychological functioning. However, some individuals, such as sociopaths or psychopaths, may exhibit unusual sleep patterns. Research suggests that individuals with psychopathic traits tend to be night owls, with a preference for staying up late and working during the night. They also tend to require less sleep, with some functioning well on only 2-3 hours of sleep. This may be due to their lack of stress and racing thoughts, which are common causes of sleep disturbances for others. In addition, psychopaths may have an internal clock that wakes them up a few minutes before their alarm. While not all sociopaths or psychopaths have sleep disorders, understanding their sleep patterns can provide insights into their behaviour and personality traits.
| Characteristics | Values |
|---|---|
| Sleep duration | 4-14 hours |
| Ease of falling asleep | Easy to fall asleep |
| Sleep aids | Fan/air conditioner sounds, shock videos, marijuana |
| Sleep schedule | Erratic, inconsistent |
| Sleep quality | Good, no nightmares, no racing thoughts |
| Sleep and psychopathy | Linked to higher scores on the APSD-SR psychopathy scale |
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What You'll Learn

Sociopaths/psychopaths tend to be night owls
While not all sociopaths/psychopaths have sleep issues, research suggests that many do. A 2015 study published in the journal Personality and Individual Differences found that people with psychopathic traits tend to be night owls, working better at night. This is because they tend to have unusual sleep patterns and are generally nocturnal.
Some sources suggest that sociopaths/psychopaths can function with very little sleep, sometimes as little as two to three hours a night. They tend to sleep restfully, without much tossing and turning. This may be because people with psychopathic tendencies don't experience the stress or racing thoughts that often keep others awake.
However, some sociopaths/psychopaths do experience insomnia. One study of Finnish adolescents found that higher scores on a self-reported psychopathy scale were associated with both sleep problems and short sleep. Another study found a link between an evening-type orientation and Dark Triad traits (narcissism, psychopathy, and Machiavellianism), indicating that those who tend to stay awake late get higher scores on psychopathy measures than those who go to bed earlier.
Overall, while not all sociopaths/psychopaths have sleep issues, there is some evidence to suggest that many do, and that they tend to be night owls.
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They may have unusual sleep patterns
While not all sociopaths or psychopaths will have unusual sleep patterns, research suggests that it is common for them to be night owls. A 2015 study published in the journal Personality and Individual Differences found that people with psychopathic traits tend to be nocturnal and work better at night. This is because they are often more alert at night, when others are sleeping and have diminished cognitive functioning.
Some people with psychopathic traits may also have insomnia. A study of Finnish adolescents found that higher scores on the Antisocial Process Screening Device-Self Report (APSD-SR), a measure of psychopathic features, were associated with both sleep problems and short sleep. This suggests that severe sleep problems and a lack of sleep among adolescents may be linked to a vulnerability to a lack of behavioural control and prosocial behaviour.
Other studies have found that people with psychopathic traits tend to sleep for a few hours very restfully, without much tossing and turning at night. They are also less likely to yawn when they see someone else yawning.
Reddit users who identify as sociopaths or psychopaths have reported varying sleep patterns. Some say they can function on very little sleep, while others say they need a lot of sleep. Some have insomnia, while others have no problem sleeping through the night. Some users have also reported having an "internal clock" that wakes them up a few minutes before their alarm.
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They can function on little sleep
While the amount of sleep a sociopath needs may vary from person to person, some sources suggest that they can function on little sleep. For example, one self-identified sociopath on Reddit claims that they can "easily function on much less [sleep] for a day or two if necessary". They go on to say that they usually sleep for about 6.5 hours a night but can function on 4-5 hours of sleep on average. Another self-identified sociopath on Reddit mentions that they usually sleep for 3-7 hours a night, sometimes less, and that they are "still pretty functional every day".
A 2015 study of Finnish adolescents found that higher scores on the Antisocial Process Screening Device-Self Report (APSD-SR) were associated with both sleep problems and short sleep. The APSD-SR is a questionnaire that includes items reflecting impulsive behaviour, narcissistic features, and callous-unemotional traits. The study concluded that severe problems with sleep quality and quantity among adolescents may be associated with a lack of behavioural control and prosocial behaviour.
Additionally, a 2020 opinion piece published in Frontiers in Psychology mentions a 2013 study by Jonason et al. that observed a link between "darker" Dark Triad elements (Machiavellianism, secondary psychopathy, and exploitive narcissism) and a night specialism (chronotype). This predisposes individuals toward optimal cognitive performance during the hours of darkness. The opinion piece also references a 2019 study by Yang et al. that found that primary and secondary psychopathy were indirectly associated with poor sleep quality via greater anger rumination.
Furthermore, a clinical psychologist, Dr. Danielle Forshee, states that only about 1% of the population is truly a psychopath, while around 4% are categorized as sociopaths. This suggests that the ability to function on little sleep may be a trait that is more common among sociopaths than the general population.
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They may have an 'internal clock'
Many sociopaths/psychopaths report having an "internal clock" that wakes them up a few minutes before their alarm. This is supported by a post on Reddit, where a user claims to have an "internal clock" that always wakes them up a few minutes before their alarm. The user also mentions that they can function on very little sleep, which is a common theme among other sociopaths/psychopaths who responded to the thread.
Having an internal clock can be beneficial for sociopaths/psychopaths as it allows them to wake up without relying on an external alarm. This can help them maintain a consistent sleep schedule and ensure they get enough rest, even if they have to wake up early. It also demonstrates their ability to control their sleep patterns and wake up at the desired time without any external prompts.
In addition to their internal clock, some sociopaths/psychopaths also report having the ability to fall asleep quickly, usually within a few minutes. This further highlights their efficient sleep patterns and ability to optimise their rest. However, it is worth noting that not all sociopaths/psychopaths experience the same sleep patterns, and individual variations may exist.
The presence of an internal clock in sociopaths/psychopaths is an intriguing aspect that warrants further exploration. It suggests a heightened sense of time awareness and the ability to regulate their sleep without external aids. This internal clock may be influenced by their unique neurological characteristics or sleep habits, contributing to their overall functioning and daily routines.
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They may be prone to insomnia
While the sleep patterns of sociopaths and psychopaths vary, some may be prone to insomnia. A study of Finnish adolescents found that 5% of the participants reported frequent and persistent sleep problems, with 3.2% of them sleeping for seven hours or less on both school and weekend nights. Similarly, in a Reddit forum, some self-proclaimed sociopaths/psychopaths reported insomnia and erratic sleep patterns. One person mentioned that they sleep for 4-6 hours on average and occasionally suffer from insomnia, while another stated that they don't sleep for prolonged periods and sometimes experience insomnia.
The varying sleep patterns of sociopaths and psychopaths could be attributed to several factors, including individual differences, lifestyle choices, and underlying mental health conditions. It is important to note that not all individuals with these conditions will exhibit the same sleep patterns, and the presence of insomnia does not necessarily indicate sociopathy or psychopathy.
Additionally, it is worth noting that the terms "sociopath" and "psychopath" are not official diagnoses in the Diagnostic and Statistical Manual of Mental Disorders (DSM). Instead, they are informal labels often used to describe individuals with Antisocial Personality Disorder or similar conditions.
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Frequently asked questions
There is no evidence to suggest that sociopaths need less sleep. However, they tend to be night owls and have unusual sleeping patterns.
Sociopaths tend to have unusual sleep patterns and are generally nocturnal. They may sleep for only a few hours and function fine, or they may sleep for an extended period of time once a week. Some sociopaths also experience insomnia.
The unusual sleep patterns in sociopaths may be due to their tendency to stay awake late as a result of their manipulative and self-centered nature. They may also have an internal clock that wakes them up a few minutes before their alarm goes off.














