Why SleepLe Places Sleep at the Heart of Quality of Life
At SleepLe, we start from a simple scientific observation:
👉 Sleep is the foundation upon which health, energy, concentration, and emotional
balance rest.
Sleep problems are not just a nightly annoyance. They affect:
- the brain
- metabolism
- the immune system
- mental health
- daily performance
Scientific institutions (INSERM, WHO, NIH) agree: chronic poor sleep is a major risk factor for global health.
Sleep Problems: Clear and Scientific Definition
A sleep problem corresponds to a persistent alteration of:
- duration
- quality
- or timing of sleep
This definition is consistent with international medical classifications (ICSD-3, DSM-5).
Main Sleep Disorders (Overview)
Insomnia: The Most Common Disorder
Insomnia manifests as:
- difficulty falling asleep
- frequent night awakenings
- waking up too early
📌 Chronic Insomnia: ≥ 3 nights per week for ≥ 3 months (INSERM).
Insomnia: Causes, Mechanisms, and Lasting Solutions
Circadian Rhythm Disorders: When the Internal Clock is Out of Sync
Sleep is governed by a central biological clock, sensitive to light.
Common causes:
- screen exposure in the evening
- irregular schedules
- night work
- jet lag
📌 Established fact: Artificial light in the evening inhibits melatonin secretion (NIH).
Circadian Rhythm: How to Reset Your Biological Clock
Obstructive Sleep Apnea (OSA)
OSA causes repeated pauses in breathing during sleep.
Proven consequences:
- daytime sleepiness
- chronic fatigue
- increased cardiovascular risk
📌 INSERM confirms a direct link between untreated apnea and cardiovascular diseases.
Snoring: Understanding, Preventing, and Treating
Parasomnias and Motor Disorders
- sleepwalking
- night terrors
- restless legs syndrome
👉 Exact mechanisms are not fully elucidated. I cannot confirm a single universal mechanism; multiple neurological hypotheses coexist in the literature.
Why Sleeping Poorly is Dangerous (Scientific Evidence)
Impact on the Brain
- decline in memory and attention
- decreased decision-making capabilities
- increased risk of anxiety and depression
(Source: NIH)
Impact on Physical Health
- increased risk of type 2 diabetes
- hormonal imbalance (hunger, stress)
- weakening of the immune system
(Source: INSERM, WHO)
Modern Causes of Sleep Troubles
Solidly documented factors:
- chronic stress
- mental overload
- screens and blue light
- sedentary lifestyle
- late caffeine and alcohol
👉 None of these factors are considered neutral by scientific research.
How to Improve Sleep Sustainably (SleepLe Approach)
1. Sleep Hygiene (Fundamental Foundation)
Consensus recommendations (INSERM, WHO):
- regular schedules
- dark and quiet environment
- limiting screens before bed
Sleep Hygiene: Essential Rules to Know
2. Cognitive Behavioral Therapy (CBT-I)
📌 First-line treatment for chronic insomnia (HAS).
- proven efficacy
- long-term benefits
- no drug dependency
3. Medications and Supplements
- hypnotics: occasional use, supervised
- melatonin: useful in specific cases
⚠️ I cannot confirm universal efficacy: results vary by disorder and person.
Sleep as the Foundation of SleepLe Philosophy
At SleepLe, sleep is:
- the starting point
- not the end goal
👉 Sleeping better then allows for improving:
- energy
- concentration
- the body
- emotions
- overall quality of life
FAQ – Short Answers
Why do I have trouble sleeping?
Stress, screens, circadian rhythm disruption, and anxiety are the most frequent causes (INSERM).
How many hours should I sleep?
The majority of adults need 7 to 9 hours (NIH).
Can we catch up on sleep?
Only partially. Chronic deficit has cumulative effects (WHO).