idioms
Idioms & Natural Expressions
Fixed expressions and idiomatic language to sound more natural and precise.
30 minC1c1idiomssleep-science-circadian-rhythm-productivitysleepproductivitycircadian rhythm
Lesson objectives
- Use idiomatic language connected to sleep science, circadian rhythm & productivity more naturally.
- Distinguish neutral, formal and contemporary expressions.
- Recognise when an expression improves fluency without sounding forced.
Idioms & expressions — Sleep Science, Circadian Rhythm & Productivity
To hit a wall · neutral
neutralMeaning:To reach a point where you can no longer make progress or continue an activity due to exhaustion.
Significado:Chocar contra un muro / agotarse repentinamente.
Example:I was trying to finish the quarterly report, but I hit a wall around 3 PM and couldn't process any more data.
To burn the candle at both ends · neutral
neutralMeaning:To work extremely hard without enough sleep, typically by getting up early and staying up late.
Significado:Trabajar de sol a sol / agotarse por exceso de trabajo.
Example:If you keep burning the candle at both ends to meet these deadlines, you're going to face serious burnout.
To be wired · informal
formalMeaning:To be in a state of high physiological arousal or mental alertness, often making it impossible to sleep.
Significado:Estar hiperactivo / estar 'eléctrico' (sin poder dormir).
Example:Even though it's midnight, I'm so wired from the caffeine that I can't shut my brain down.
To catch some shut-eye · informal
formalMeaning:To get a short period of sleep.
Significado:Echar una siesta / echar un ojo (dormir un poco).
Example:I'll try to catch some shut-eye during the flight so I'm ready for the meeting upon arrival.
To operate on autopilot · neutral
neutralMeaning:To perform tasks without conscious thought, often due to fatigue or routine.
Significado:Funcionar en piloto automático.
Example:After forty-eight hours of sleep deprivation, I was basically operating on autopilot.
To be in a sleep deficit · formal
formalMeaning:To suffer from a cumulative lack of sleep over several days.
Significado:Tener deuda de sueño.
Example:The team is currently in a significant sleep deficit due to the global product launch schedule.
To optimize one's sleep hygiene · formal
formalMeaning:To implement habits that improve the quality and consistency of sleep.
Significado:Optimizar la higiene del sueño.
Example:The wellness seminar focused on how to optimize your sleep hygiene to boost cognitive performance.
To be in a flow state · neutral
neutralMeaning:A state of peak productivity where one is fully immersed in an activity (often linked to circadian peaks).
Significado:Estar en estado de flujo / concentración máxima.
Example:I find that my peak productivity happens during my morning flow state before the emails start flooding in.
To digital detox · neutral
neutralMeaning:To temporarily abstain from using electronic devices to improve mental well-being and sleep.
Significado:Desconexión digital.
Example:To fix my disrupted circadian rhythm, I've decided to perform a complete digital detox after 9 PM.
To biohack your schedule · informal
formalMeaning:To use science and technology to manipulate your biological functions (like sleep) for better performance.
Significado:Hackear tu biología / optimizar tu horario mediante biohacking.
Example:Many high-performers are now trying to biohack their schedules using wearable tech to align with their natural rhythms.