Optimize Your Evening Lighting for Better Sleep & Well-being

1. Personal Sleep Profile & Chronotype Assessment

Understanding your natural sleep patterns helps us provide personalized lighting recommendations. This section establishes your baseline sleep-wake characteristics.

 

Full Name

Age

What is your chronotype (natural tendency)?

 

As a Night Owl, what challenges do you face with evening lighting in your household or workplace?

Current average bedtime on weeknights

Current average wake time on weekdays

How many minutes does it typically take you to fall asleep?

Rate your overall sleep quality (1 = Very Poor, 10 = Excellent)

Do you notice seasonal changes in your sleep patterns?

 

Describe how your sleep changes across seasons:

2. Target Sleep Schedule & Goals

Define your ideal sleep schedule. This helps us calculate the optimal timing for lighting adjustments to support your circadian rhythm.

 

Target Bedtime

Target Wake Time

Desired sleep duration (hours)

How important is achieving this target schedule for your health and productivity?

What are the main obstacles preventing you from achieving your target sleep schedule?

3. Evening Lighting Environment Room-by-Room Audit

For each room you spend time in during the 4 hours before your target bedtime, document your primary lighting setup. This data reveals patterns that may be disrupting your circadian rhythm.

 

Evening Lighting Audit (complete for each room used in the 4 hours before bed)

Room/Area

Primary Light Source

Dimmer Level (%)

Eye Strain Level (1-5 Scale)

Minutes to Fall Asleep

A
B
C
D
E
1
Living Room
2700K Warm Lamp
80
 
15
2
Bedside
Smartphone/Tablet Screen
0
 
25
3
Home Office
5000K Cool Overhead
100
 
30
4
 
 
 
 
 
5
 
 
 
 
 
6
 
 
 
 
 
7
 
 
 
 
 
8
 
 
 
 
 
9
 
 
 
 
 
10
 
 
 
 
 

4. Screen Time & Digital Device Habits

Digital screens emit significant blue light that suppresses melatonin production. This section assesses your exposure patterns.

 

How many hours do you spend looking at screens during the 3 hours before your target bedtime?

Which devices do you typically use in the evening? (select all that apply)

Do you use blue light filtering software or features (e.g., Night Shift, f.lux) on your devices?

 

Which devices have filters enabled and when do you activate them?

 

How likely are you to implement blue light filters if recommended?

When do you typically stop using screens before bed?

Do you have a television in your bedroom?

 

How often and for how long do you watch TV in bed before sleeping?

Do you keep your smartphone in your bedroom overnight?

 

Where do you keep it (e.g., nightstand, under pillow) and do you check it during the night?

If you wake up during the night, do you check your phone or other devices?

5. Evening Light Exposure Timeline & Patterns

The timing of light exposure is critical for circadian rhythm alignment. This section maps your light exposure throughout the evening.

 

What time do you typically begin dimming lights in your home?

Do you have a specific 'lighting curfew' time after which all bright lights are turned off?

 

What time is your lighting curfew?

How many minutes before your target bedtime do you turn off all overhead lights?

Do you get exposure to natural daylight in the morning?

 

Describe your morning light routine:

Do you spend time outdoors in the evening under natural twilight?

 

How much would you be willing to spend 10-15 minutes outdoors in the evening if it improved your sleep?

6. Sleep Quality & Circadian Disruption Symptoms

Assess how your current lighting environment may be affecting your sleep quality and daytime functioning.

 

Rate your difficulty falling asleep over the past two weeks (1 = No difficulty, 5 = Severe difficulty)

How many times do you typically wake up during the night?

Rate your morning grogginess upon waking (1 = Fully alert, 5 = Extremely groggy)

Rate your daytime fatigue level (1 = No fatigue, 5 = Severe fatigue)

Which eye strain symptoms do you experience in the evening? (select all that apply)

Do you experience headaches that you suspect are related to evening lighting or screen use?

Rate how strongly you agree with the following statements about your sleep environment:

Strongly Disagree

Disagree

Neutral

Agree

Strongly Agree

My evening lighting helps me feel relaxed before bed

My bedroom is dark enough for quality sleep

I feel my lighting supports healthy sleep

I notice sleep improves when I reduce evening light

7. Current Mitigation Strategies & Tools

Understanding what strategies you're already using helps us identify gaps and reinforce effective habits.

 

Do you use blue-light blocking glasses in the evening?

 

When do you wear them and what brand/type?

Do you use blackout curtains or shades in your bedroom?

Do you use a sleep mask?

Do you currently use smart lighting bulbs or systems?

 

Which smart lighting features do you use? (select all that apply)

What lighting changes have you tried in the past to improve sleep? What were the results?

8. Lighting Control Capabilities & Smart Home Integration

Your ability to control lighting affects which recommendations are feasible. This section assesses your home's technical capabilities.

 

Can you adjust the color temperature of your lights (e.g., from cool white to warm white)?

Do your main lights have dimmer switches installed?

 

How willing are you to install dimmer switches if recommended?

What type of home automation system do you have?

Which automation capabilities interest you for circadian lighting? (select all that apply)

9. Personalized Recommendations & Action Plan

Help us prioritize recommendations based on your preferences and constraints.

 

Rank these potential improvements by priority for your situation:

Install warmer bulbs in evening areas

Add dimmer switches

Set up automated lighting schedules

Reduce screen time before bed

Use blue-light blocking glasses

Improve bedroom darkness

Increase morning light exposure

What is your approximate budget for lighting improvements over the next 6 months?

How soon would you like to implement changes?

Any additional concerns, questions, or specific lighting challenges you'd like us to address?

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