Childhood Circadian & Sleep Architecture

πŸŒ™ Daycare Nap & Sleep Analysis

Loading statistical insights...

Total Rest Tracked πŸ›Œ
-- hrs
-- completed nap sessions
Average Nap Duration ⏱️
-- min
Median: --m (IQR: --)
Routine Consistency 🎯
--%
Within 1 std deviation of mean
Nap Window Ceiling ⏰
3:09 PM
Avg Start: 1:39 PM (r = -0.78)

πŸ”¬ Data-Backed Deep Dive Findings

πŸ“‰ Developmental Maturation

The 13-Month Sleep Transition Curve

In early Fall 2025 (Aug–Oct), Child averaged ~105–117 minutes (~2.0 hrs) of deep midday sleep. By Winter/Spring 2026, nap length naturally consolidated down to a steady ~75–85 minutes (~1.35 hrs). This reflects classic preschool stamina maturation without losing circadian stability.

Peak Month: Aug 2025 • Consolidated Baseline: 78–84m avg
⏰ The Hard-Stop Ceiling Effect

Fixed 3:00 PM Afternoon Wake Boundary

We found a strong negative correlation (r = --) between nap start time and total duration. Because daycare afternoon snack and circle time occur strictly around 3:00 PM – 3:15 PM, putting the child down later directly cuts sleep duration.

Elasticity Slope: Every 15-minute delay in start time reduces total nap duration by ~14.2 minutes.
βš–οΈ Circadian Regularity

Monday-to-Friday Steady Rhythm

There is virtually zero weekday fatigue variance across the entire school year. Average nap length stays within a razor-thin margin across all 5 weekdays (Mon–Fri), demonstrating exceptional daycare routine consistency.

Weekday Variance: < 2.5% delta across Monday through Friday school days.
πŸ† Records & Outlier Events

Deep Rest Milestones & Power Naps

Out of 208 tracked sessions, Child's all-time deep rest record was 172 minutes (2.87 hrs), while shortest recorded power nap was 29 minutes.

Optimal Rest Rate: 91.4% of all sessions within optimal 60–120 minute window.

πŸ“ˆ 13-Month Daily Nap Timeline & Moving Average

Each point represents a daily daycare nap. Solid curve shows the 14-day rolling trendline.

⏰ Start Time vs. Duration (Ceiling Effect)

Scatter plot illustrating the r = -0.781 negative correlation.

πŸ“Š Monthly Average Sleep Progression

Transition from infant/toddler sleep into preschool stamina.

πŸ“… 13-Month Daycare Sleep Calendar Heatmap

Complete school year sleep map. Hover over any block to see exact timestamps.

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πŸ“‹ Nap Session Explorer

Browse, search, and filter all 208 paired nap records.

Date Day Start Time Wake Time Duration Rolling 14d Avg Logged By